18456056 has 16 divisors (see below), whose sum is σ = 34782000. Its totient is φ = 9180864.

The previous prime is 18456047. The next prime is 18456091. The reversal of 18456056 is 65065481.

It is a happy 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, 4205 + ... + 7388.

It is an arithmetic number, because the mean of its divisors is an integer number (2173875).

Almost surely, 2^18456056 is an apocalyptic number.

It is an amenable number.

18456056 is a deficient number, since it is larger than the sum of its proper divisors (16325944).

18456056 is a wasteful number, since it uses less digits than its factorization.

18456056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11798 (or 11794 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 18456056 is about 4296.0512101231. The cubic root of 18456056 is about 264.2690477229.

The spelling of 18456056 in words is "eighteen million, four hundred fifty-six thousand, fifty-six".