18352056858732 has 72 divisors (see below), whose sum is σ = 49127867255376. Its totient is φ = 5756438221824.

The previous prime is 18352056858719. The next prime is 18352056858763. The reversal of 18352056858732 is 23785865025381.

It is a happy number.

18352056858732 is a `hidden beast` number, since 1 + 8 + 3 + 520 + 56 + 8 + 58 + 7 + 3 + 2 = 666.

It is a super-2 number, since 2×18352056858732² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18352056858732.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513568 + ... + 6080120.

It is an arithmetic number, because the mean of its divisors is an integer number (682331489658).

Almost surely, 2^{18352056858732} is an apocalyptic number.

18352056858732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18352056858732 is an abundant number, since it is smaller than the sum of its proper divisors (30775810396644).

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

18352056858732 is a wasteful number, since it uses less digits than its factorization.

18352056858732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571967 (or 5571962 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 63.

The spelling of 18352056858732 in words is "eighteen trillion, three hundred fifty-two billion, fifty-six million, eight hundred fifty-eight thousand, seven hundred thirty-two".