Alright, let's work through 16438868 times 97956830 step by step
16438868 × 97956830 = 97956830 × (16438868)
+ 97956830 × 8 giving us 783654640
+ 97956830 × 60 which equals 5877409800
+ 97956830 × 800 resulting in 78365464000
+ 97956830 × 8000 that is equal 783654640000
+ 97956830 × 30000 that equals 2938704900000
+ 97956830 × 400000 that is equal 39182732000000
+ 97956830 × 6000000 that equals 587740980000000
+ 97956830 × 10000000 that is equal 979568300000000

= 1610299398068440
