166112524565631 has 64 divisors (see below), whose sum is σ = 288895579545600. Its totient is φ = 92341436133888.

The previous prime is 166112524565597. The next prime is 166112524565671. The reversal of 166112524565631 is 136565425211661.

166112524565631 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 1 + 2 + 5 + 24 + 56 + 563 + 1 = 666.

166112524565631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166112524565631 - 2¹⁴ = 166112524549247 is a prime.

It is a super-2 number, since 2×166112524565631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166112524565671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42557010 + ... + 46296048.

It is an arithmetic number, because the mean of its divisors is an integer number (4513993430400).

Almost surely, 2^{166112524565631} is an apocalyptic number.

166112524565631 is a deficient number, since it is larger than the sum of its proper divisors (122783054979969).

166112524565631 is a wasteful number, since it uses less digits than its factorization.

166112524565631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745445 (or 3745439 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 166112524565631 in words is "one hundred sixty-six trillion, one hundred twelve billion, five hundred twenty-four million, five hundred sixty-five thousand, six hundred thirty-one".