There are 16,741,600 Bitcoins in circulation

Blocks mined: 180
Blocks total: 499,328
Minutes between blocks: 7.40
Bitcoins mined: 2,250.00 BTC
Difficulty: 1,590,896,927,258.00
No. of transactions: 469,181 tx
Hash rate: 14,235,104,737.25 GH/s
Trade volume: 36,585.59 BTC
Total bitcoins sent: 2,936,439.75 BTC