There are 16,415,350 Bitcoins in circulation

Blocks mined: 147
Blocks total: 473,228
Minutes between blocks: 9.34
Bitcoins mined: 1,837.50 BTC
Difficulty: 711,697,198,173.00
No. of transactions: 264,040 tx
Hash rate: 5,200,662,963.52 GH/s
Trade volume: 89,306.31 BTC
Total bitcoins sent: 2,834,585.85 BTC