18046718166 has 8 divisors (see below), whose sum is σ = 36093436344. Its totient is φ = 6015572720.

The previous prime is 18046718113. The next prime is 18046718171. The reversal of 18046718166 is 66181764081.

It is a sphenic number, since it is the product of 3 distinct primes.

18046718166 is an admirable number.

It is a congruent number.

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, 1503893175 + ... + 1503893186.

It is an arithmetic number, because the mean of its divisors is an integer number (4511679543).

Almost surely, 2^18046718166 is an apocalyptic number.

18046718166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18046718166 is a wasteful number, since it uses less digits than its factorization.

18046718166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007786366.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 18046718166 in words is "eighteen billion, forty-six million, seven hundred eighteen thousand, one hundred sixty-six".