: Likely "La Revolución" (The Revolution) written in "leetspeak" (replacing letters with numbers).
If you encounter errors while opening it, WinRAR has a built-in "Repair Archive" tool under the Tools tab that can sometimes fix corrupted files.
: You can use the official WinRAR or free alternatives like 7-Zip . Simply right-click the file and select "Extract".
The string 17662 l4 r3v0luc10n.rar appears to be a filename for a , which is a compressed file format used to group multiple files into a single, smaller package. Understanding the Filename
: The file extension for a Roshal Archive , developed by Eugene Roshal. How to Open the File