18265056 has 24 divisors (see below), whose sum is σ = 47946024. Its totient is φ = 6088320.

The previous prime is 18265033. The next prime is 18265081. The reversal of 18265056 is 65056281.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×18265056² = 667224541366272, which contains 22 as substring.

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, 95035 + ... + 95226.

It is an arithmetic number, because the mean of its divisors is an integer number (1997751).

Almost surely, 2^18265056 is an apocalyptic number.

18265056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18265056 is an abundant number, since it is smaller than the sum of its proper divisors (29680968).

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

18265056 is a wasteful number, since it uses less digits than its factorization.

18265056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190274 (or 190266 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 18265056 is about 4273.7636808790. The cubic root of 18265056 is about 263.3542528201.

The spelling of 18265056 in words is "eighteen million, two hundred sixty-five thousand, fifty-six".