82636522168520 has 32 divisors (see below), whose sum is σ = 186618271489920. Its totient is φ = 32932636136640.

The previous prime is 82636522168397. The next prime is 82636522168621. The reversal of 82636522168520 is 2586122563628.

It is a super-2 number, since 2×82636522168520² (a number of 29 digits) contains 22 as substring.

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, 3811636862 + ... + 3811658541.

It is an arithmetic number, because the mean of its divisors is an integer number (5831820984060).

Almost surely, 2^{82636522168520} is an apocalyptic number.

It is an amenable number.

82636522168520 is an abundant number, since it is smaller than the sum of its proper divisors (103981749321400).

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

82636522168520 is a wasteful number, since it uses less digits than its factorization.

82636522168520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623295685 (or 7623295681 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 82636522168520 in words is "eighty-two trillion, six hundred thirty-six billion, five hundred twenty-two million, one hundred sixty-eight thousand, five hundred twenty".