18356682152 has 16 divisors (see below), whose sum is σ = 34734549300. Its totient is φ = 9094135680.

The previous prime is 18356682143. The next prime is 18356682167. The reversal of 18356682152 is 25128665381.

It can be written as a sum of positive squares in 2 ways, for example, as 16823646436 + 1533035716 = 129706^2 + 39154^2 .

It is a super-2 number, since 2×18356682152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18356682097 and 18356682106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10524749 + ... + 10526492.

Almost surely, 2^18356682152 is an apocalyptic number.

It is an amenable number.

18356682152 is a deficient number, since it is larger than the sum of its proper divisors (16377867148).

18356682152 is a wasteful number, since it uses less digits than its factorization.

18356682152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051356 (or 21051352 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The spelling of 18356682152 in words is "eighteen billion, three hundred fifty-six million, six hundred eighty-two thousand, one hundred fifty-two".