Board Thread:General Discussion/@comment-7397924-20130630152208/@comment-11051098-20130709005728

It has been confirmed that his Shinigami and Hollow powers are 1 power. Whether it is the Shinigami or the Hollow part that makes him strong, is unknown. But Isshin is at least average captain-level, and we have yet to see his Bankai.

So Ichigo's power would rather be Shinigami/Hollow and Quincy.