18132036161 has 32 divisors (see below), whose sum is σ = 19081827072. Its totient is φ = 17218897920.

The previous prime is 18132036157. The next prime is 18132036179. The reversal of 18132036161 is 16163023181.

It is a cyclic number.

It is not a de Polignac number, because 18132036161 - 2² = 18132036157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18132035161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48611171 + ... + 48611543.

It is an arithmetic number, because the mean of its divisors is an integer number (596307096).

Almost surely, 2^18132036161 is an apocalyptic number.

It is an amenable number.

18132036161 is a deficient number, since it is larger than the sum of its proper divisors (949790911).

18132036161 is a wasteful number, since it uses less digits than its factorization.

18132036161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 18132036161 in words is "eighteen billion, one hundred thirty-two million, thirty-six thousand, one hundred sixty-one".