Generic numbers like this often appear when a video is saved from , Telegram , or an Android camera app.
: Right-click the file > Properties > Details . This may show the original creation date or the software that generated it. Mac : Right-click the file > Get Info > More Info . Reverse Search : 1664452472383 mp4
Are you trying to of this specific file, or Types of Video File Formats | Mailchimp Generic numbers like this often appear when a