16864731792 has 40 divisors (see below), whose sum is σ = 48408027680. Its totient is φ = 5621577120.

The previous prime is 16864731791. The next prime is 16864731803. The reversal of 16864731792 is 29713746861.

16864731792 is a `hidden beast` number, since 1 + 6 + 86 + 473 + 1 + 7 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16864731791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19518934 + ... + 19519797.

It is an arithmetic number, because the mean of its divisors is an integer number (1210200692).

Almost surely, 2^16864731792 is an apocalyptic number.

16864731792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16864731792 is an abundant number, since it is smaller than the sum of its proper divisors (31543295888).

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

16864731792 is a wasteful number, since it uses less digits than its factorization.

16864731792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39038748 (or 39038736 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 16864731792 in words is "sixteen billion, eight hundred sixty-four million, seven hundred thirty-one thousand, seven hundred ninety-two".