Alright, let's work through 66916437 times 90535960 step by step
66916437 × 90535960 = 90535960 × (66916437)
+ 90535960 × 7 that equals 633751720
+ 90535960 × 30 giving us 2716078800
+ 90535960 × 400 that equals 36214384000
+ 90535960 × 6000 yielding 543215760000
+ 90535960 × 10000 that equals 905359600000
+ 90535960 × 900000 that results in 81482364000000
+ 90535960 × 6000000 which equals 543215760000000
+ 90535960 × 60000000 what gives us 5432157600000000

= 6058343863574520
