Because the name is purely numerical and based on a precise millisecond timestamp, it was likely created by one of the following:

: The number 1673087980416 is a Unix timestamp in milliseconds. It corresponds to Saturday, January 7, 2023, at 10:39:40 AM UTC .

: An MP4 file is a digital multimedia container format most commonly used to store video and audio. Likely Source

Without more context or the video itself, it is impossible to describe the specific visual content. MP4 files explained: How to open and use - Adobe

: Many mobile screen recorders use the current timestamp as the default filename.

The filename is a generic name typically generated by automated systems, messaging apps, or security cameras rather than a specific, well-known viral video title. File Name Breakdown

: These platforms often rename uploaded media based on the exact time of upload or processing to ensure unique filenames.

: Some content management systems (CMS) or direct download links serve files named by their database entry ID or server time.