18885056 has 14 divisors (see below), whose sum is σ = 37475160. Its totient is φ = 9442496.

The previous prime is 18885049. The next prime is 18885067. The reversal of 18885056 is 65058881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147476 + ... + 147603.

Almost surely, 2^18885056 is an apocalyptic number.

18885056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18885056 is a deficient number, since it is larger than the sum of its proper divisors (18590104).

18885056 is an equidigital number, since it uses as much as digits as its factorization.

18885056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295091 (or 295081 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The square root of 18885056 is about 4345.6939606926. The cubic root of 18885056 is about 266.3009765222.

The spelling of 18885056 in words is "eighteen million, eight hundred eighty-five thousand, fifty-six".