The '64' in the Nintendo-64 console refers to what?

The "64" in the Nintendo 64 console refers to the architecture of its central processing unit (CPU), which is designed to process and handle data in 64-bit chunks. A 64-bit CPU architecture allows for higher precision and larger memory addressing capabilities compared to previous 16-bit and 32-bit consoles. This advancement enabled the Nintendo 64 to deliver more complex and detailed graphics, enhance gameplay experiences, and support larger and more immersive game worlds.