If you are trying to of the video safely:
Occasionally, local game files or recordings use such numbering systems. Platforms like Steam allow users to capture and store gameplay clips in similar formats.
Right-click the file and select "Properties" (Windows) or "Get Info" (Mac) to see the creation date and source.
The naming convention (a title followed by a number in parentheses and a file extension) is typical for automated backups from cloud services like Google Photos or messaging apps. You can manage and organize such files using the Google Photos Help Center .
If you downloaded this from an unknown source, run a scan using tools like Malwarebytes before opening it.