538545655669956 has 48 divisors (see below), whose sum is σ = 1372022200781568. Its totient is φ = 163055330183200.

The previous prime is 538545655669757. The next prime is 538545655670017. The reversal of 538545655669956 is 659966556545835.

It is a super-2 number, since 2×538545655669956² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1753884030 + ... + 1754191061.

It is an arithmetic number, because the mean of its divisors is an integer number (28583795849616).

Almost surely, 2^{538545655669956} is an apocalyptic number.

It is an amenable number.

538545655669956 is an abundant number, since it is smaller than the sum of its proper divisors (833476545111612).

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

538545655669956 is a wasteful number, since it uses less digits than its factorization.

538545655669956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508076272 (or 3508076270 counting only the distinct ones).

The product of its digits is 157464000000, while the sum is 87.

The spelling of 538545655669956 in words is "five hundred thirty-eight trillion, five hundred forty-five billion, six hundred fifty-five million, six hundred sixty-nine thousand, nine hundred fifty-six".