Alright, let's work through 16028641 times 8329703 step by step
16028641 × 8329703 = 8329703 × (16028641)
+ 8329703 × 1 producing 8329703
+ 8329703 × 40 that equals 333188120
+ 8329703 × 600 producing 4997821800
+ 8329703 × 8000 producing 66637624000
+ 8329703 × 20000 yielding 166594060000
+ 8329703 × 000000 that results in 0
+ 8329703 × 6000000 that equals 49978218000000
+ 8329703 × 10000000 that results in 83297030000000

= 133513819023623
