18151164 has 36 divisors (see below), whose sum is σ = 47125624. Its totient is φ = 5886432.

The previous prime is 18151153. The next prime is 18151181. The reversal of 18151164 is 46115181.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5482 + ... + 8145.

Almost surely, 2^18151164 is an apocalyptic number.

It is an amenable number.

18151164 is an abundant number, since it is smaller than the sum of its proper divisors (28974460).

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

18151164 is a wasteful number, since it uses less digits than its factorization.

18151164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13674 (or 13669 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 18151164 is about 4260.4182893232. The cubic root of 18151164 is about 262.8057281405.

The spelling of 18151164 in words is "eighteen million, one hundred fifty-one thousand, one hundred sixty-four".