160506520642531 has 12 divisors (see below), whose sum is σ = 187513004509272. Its totient is φ = 136986558380448.

The previous prime is 160506520642513. The next prime is 160506520642537. The reversal of 160506520642531 is 135246025605061.

It is not a de Polignac number, because 160506520642531 - 2³⁵ = 160472160904163 is a prime.

It is a super-2 number, since 2×160506520642531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160506520642537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7029266005 + ... + 7029288838.

It is an arithmetic number, because the mean of its divisors is an integer number (15626083709106).

Almost surely, 2^{160506520642531} is an apocalyptic number.

160506520642531 is a deficient number, since it is larger than the sum of its proper divisors (27006483866741).

160506520642531 is a wasteful number, since it uses less digits than its factorization.

160506520642531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058555090 (or 14058555083 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 160506520642531 in words is "one hundred sixty trillion, five hundred six billion, five hundred twenty million, six hundred forty-two thousand, five hundred thirty-one".