Alright, let's work through 16791686 times 28732971 step by step
16791686 × 28732971 = 28732971 × (16791686)
+ 28732971 × 6 that is equal 172397826
+ 28732971 × 80 that is equal 2298637680
+ 28732971 × 600 that is equal 17239782600
+ 28732971 × 1000 giving us 28732971000
+ 28732971 × 90000 that equals 2585967390000
+ 28732971 × 700000 what gives us 20113079700000
+ 28732971 × 6000000 which equals 172397826000000
+ 28732971 × 10000000 producing 287329710000000

= 482475026879106
