Great grand prismatodistetracontoctachoron

The great grand prismatodistetracontoctachoron is a scaliform polychoron that consists of 144 octagrammic prisms, 48 great rhombihexahedra, and 48 grand hexadecagonal prismatic blends. 4 octagrammic prisms and 1 each of the other types of cells meet at each vertex.

It can be formed as a blend of 18 8/3-16/7 duoprisms.