Great prismatohecatonicosihecatonicosihexacosichoron

The great prismatohecatonicosihecatonicosihexacosichoron, or giphihix, is a nonconvex uniform polychoron that consists of 720 pentagonal prisms, 600 truncated octahedra, 120 truncated great icosahedra, and 120 icosidodecadodecahedra. 1 pentagonal prism, 1 truncated great icosahedron, 1 icosidodecadodecahedron, and 2 truncated octahedra join at each vertex.

It is in the same regiment as the prismatorhombated great grand hecatonicosachoron.