There are 16,358,800 Bitcoins in circulation

Blocks mined: 144
Blocks total: 468,704
Minutes between blocks: 9.50
Bitcoins mined: 1,800.00 BTC
Difficulty: 595,921,917,085.00
No. of transactions: 277,163 tx
Hash rate: 4,265,775,241.42 GH/s
Trade volume: 61,258.64 BTC
Total bitcoins sent: 2,486,994.75 BTC