Alright, let's work through 16197148 times 5455978 step by step
16197148 × 5455978 = 5455978 × (16197148)
+ 5455978 × 8 yielding 43647824
+ 5455978 × 40 which equals 218239120
+ 5455978 × 100 which equals 545597800
+ 5455978 × 7000 which equals 38191846000
+ 5455978 × 90000 which equals 491038020000
+ 5455978 × 100000 that equals 545597800000
+ 5455978 × 6000000 that equals 32735868000000
+ 5455978 × 10000000 which equals 54559780000000

= 88371283150744
