36685018668531 has 16 divisors (see below), whose sum is σ = 50107139066880. Its totient is φ = 23859807074880.

The previous prime is 36685018668481. The next prime is 36685018668563. The reversal of 36685018668531 is 13586681058663.

It is not a de Polignac number, because 36685018668531 - 2²⁹ = 36684481797619 is a prime.

It is a super-2 number, since 2×36685018668531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36685018668581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5833186 + ... + 10363208.

It is an arithmetic number, because the mean of its divisors is an integer number (3131696191680).

Almost surely, 2^{36685018668531} is an apocalyptic number.

36685018668531 is a deficient number, since it is larger than the sum of its proper divisors (13422120398349).

36685018668531 is a wasteful number, since it uses less digits than its factorization.

36685018668531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595906.

The product of its (nonzero) digits is 149299200, while the sum is 66.

The spelling of 36685018668531 in words is "thirty-six trillion, six hundred eighty-five billion, eighteen million, six hundred sixty-eight thousand, five hundred thirty-one".