16368664320 has 108 divisors (see below), whose sum is σ = 56633913336. Its totient is φ = 4364974080.

The previous prime is 16368664307. The next prime is 16368664363. The reversal of 16368664320 is 2346686361.

16368664320 is a `hidden beast` number, since 1 + 636 + 8 + 6 + 6 + 4 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 698926 + ... + 721965.

Almost surely, 2^16368664320 is an apocalyptic number.

16368664320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16368664320 is an abundant number, since it is smaller than the sum of its proper divisors (40265249016).

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

16368664320 is a wasteful number, since it uses less digits than its factorization.

16368664320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420918 (or 1420901 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 16368664320 in words is "sixteen billion, three hundred sixty-eight million, six hundred sixty-four thousand, three hundred twenty".