There are at least 2196BTC burnt: https://blockchain.info/address/1CounterpartyXXXXXXXXXXXXXXXUWLpVr (Counterparty), https://blockchain.info/address/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa (Genesis), https://blockchain.info/address/1111111111111111111114oLvT2 (smallest possible Hash160) and https://blockchain.info/address/1QLbz7JHiBTspS962RLKV8GndWFwi5j6Qr (largest possible Hash160)

Most of the early mined coins are still sitting on the addresses they were sent to during mining. if i remember correct