160646642172 has 24 divisors (see below), whose sum is σ = 416491294800. Its totient is φ = 53548880688.

The previous prime is 160646642131. The next prime is 160646642183. The reversal of 160646642172 is 271246646061.

160646642172 is a `hidden beast` number, since 16 + 0 + 6 + 466 + 4 + 2 + 172 = 666.

It is a super-2 number, since 2×160646642172² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743734347 + ... + 743734562.

It is an arithmetic number, because the mean of its divisors is an integer number (17353803950).

Almost surely, 2^160646642172 is an apocalyptic number.

160646642172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

160646642172 is an abundant number, since it is smaller than the sum of its proper divisors (255844652628).

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

160646642172 is a wasteful number, since it uses less digits than its factorization.

160646642172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487468922 (or 1487468914 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 160646642172 in words is "one hundred sixty billion, six hundred forty-six million, six hundred forty-two thousand, one hundred seventy-two".