Alright, let's work through 16427762 times 64869787 step by step
16427762 × 64869787 = 64869787 × (16427762)
+ 64869787 × 2 that results in 129739574
+ 64869787 × 60 yielding 3892187220
+ 64869787 × 700 what gives us 45408850900
+ 64869787 × 7000 resulting in 454088509000
+ 64869787 × 20000 giving us 1297395740000
+ 64869787 × 400000 yielding 25947914800000
+ 64869787 × 6000000 that equals 389218722000000
+ 64869787 × 10000000 giving us 648697870000000

= 1065665421826694
