Alright, let's work through 16673899 times 97725402 step by step
16673899 × 97725402 = 97725402 × (16673899)
+ 97725402 × 9 yielding 879528618
+ 97725402 × 90 producing 8795286180
+ 97725402 × 800 giving us 78180321600
+ 97725402 × 3000 yielding 293176206000
+ 97725402 × 70000 resulting in 6840778140000
+ 97725402 × 600000 yielding 58635241200000
+ 97725402 × 6000000 what gives us 586352412000000
+ 97725402 × 10000000 yielding 977254020000000

= 1629463482682398
