16268956864650 has 576 divisors, whose sum is σ = 54017152680960. Its totient is φ = 3586248691200.

The previous prime is 16268956864579. The next prime is 16268956864679. The reversal of 16268956864650 is 5646865986261.

16268956864650 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 8 + 9 + 568 + 6 + 4 + 6 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 600826912 + ... + 600853988.

It is an arithmetic number, because the mean of its divisors is an integer number (93779778960).

Almost surely, 2^{16268956864650} is an apocalyptic number.

16268956864650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16268956864650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27008576340480).

16268956864650 is an abundant number, since it is smaller than the sum of its proper divisors (37748195816310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16268956864650 is a wasteful number, since it uses less digits than its factorization.

16268956864650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27436 (or 27418 counting only the distinct ones).

The product of its (nonzero) digits is 895795200, while the sum is 72.

The spelling of 16268956864650 in words is "sixteen trillion, two hundred sixty-eight billion, nine hundred fifty-six million, eight hundred sixty-four thousand, six hundred fifty".