16179694920 has 160 divisors (see below), whose sum is σ = 57580875000. Its totient is φ = 4060772352.

The previous prime is 16179694919. The next prime is 16179694943. The reversal of 16179694920 is 2949697161.

It is a happy number.

16179694920 is a `hidden beast` number, since 1 + 61 + 7 + 96 + 9 + 492 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10820576484 + 5359118436 = 104022^2 + 73206^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91795 + ... + 201954.

Almost surely, 2^16179694920 is an apocalyptic number.

16179694920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16179694920 is an abundant number, since it is smaller than the sum of its proper divisors (41401180080).

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

16179694920 is a wasteful number, since it uses less digits than its factorization.

16179694920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293789 (or 293776 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 16179694920 in words is "sixteen billion, one hundred seventy-nine million, six hundred ninety-four thousand, nine hundred twenty".