The "184 ISO-CSO" refers to the total number of primary game titles included in the collection, while the "73 Minis" indicates a sub-collection of smaller, often arcade-style games that were originally sold on the PlayStation Store.
The "PSP MEGA-PACK -184 ISO-CSO 73 -Minis-- -5.00m33-6-l UPD" appears to be a specialized software and game archival collection designed for the PlayStation Portable (PSP) handheld console. This pack is specifically tailored for consoles running Custom Firmware (CFW) Technical Specifications Target Firmware : Optimized for 5.00 M33-6 PSP MEGA-PACK -184 ISO-CSO 73 -Minis-- -5.00m33-6-l UPD
: Ideally 5.00 M33-6, 6.60 PRO-C, or 6.61 Infinity. The "184 ISO-CSO" refers to the total number