Alright, let's work through 16134856 times 66876961 step by step
16134856 × 66876961 = 66876961 × (16134856)
+ 66876961 × 6 yielding 401261766
+ 66876961 × 50 giving us 3343848050
+ 66876961 × 800 what gives us 53501568800
+ 66876961 × 4000 what gives us 267507844000
+ 66876961 × 30000 yielding 2006308830000
+ 66876961 × 100000 that is equal 6687696100000
+ 66876961 × 6000000 which equals 401261766000000
+ 66876961 × 10000000 producing 668769610000000

= 1079050135452616
