12 groups of order 16664.
| SmallGroups | group |
|---|---|
| (16664, 1) | C8×C2083 #30659485 |
| (16664, 2) | C2×C4×C2083 #30659486 |
| (16664, 3) | D4×C2083 #30659487 |
| (16664, 4) | Q8×C2083 #30659488 |
| (16664, 5) | C23×C2083 #30659489 |
| (16664, 6) | C2083⋊C8 #30659490 |
| (16664, 7) | C4×D2083 #30659491 |
| (16664, 8) | C2×Dic2083 #30659492 |
| (16664, 9) | C22⋊D2083 #30659493 |
| (16664, 10) | D8332 #30659494 |
| (16664, 11) | Dic4166 #30659495 |
| (16664, 12) | C22×D2083 #30659496 |