This string is a "good piece" of data for IT administrators or software archivists . It acts as a unique fingerprint to download or verify a specific 64-bit English (or multi-language) Volume License version of Microsoft Office 2016 .
The string "office201624c2riso160 1732820162x64rp" appears to be a specific technical identifier for a Microsoft Office 2016 installation file, likely a Click-to-Run (C2R)