Alright, let's work through 16115669 times 9851702 step by step
16115669 × 9851702 = 9851702 × (16115669)
+ 9851702 × 9 yielding 88665318
+ 9851702 × 60 producing 591102120
+ 9851702 × 600 giving us 5911021200
+ 9851702 × 5000 resulting in 49258510000
+ 9851702 × 10000 that results in 98517020000
+ 9851702 × 100000 that results in 985170200000
+ 9851702 × 6000000 that equals 59110212000000
+ 9851702 × 10000000 which equals 98517020000000

= 158766768518638
