Hexadecaoctahemihexadecachoron

The hexadecaoctahemihexadecachoron, or hohoh, is a uniform polychoron. It has 16 tetrahemihexahedra, 8 octahedra, and 8 central cubohemioctahedra, with 4 tetrahemihexahedra, 2 octahedra, and 4 cubohemioctahedra at each vertex.

As well as being isogonal, it is also isotoxal.