18675552 has 48 divisors (see below), whose sum is σ = 56028672. Its totient is φ = 5335680.

The previous prime is 18675533. The next prime is 18675583. The reversal of 18675552 is 25557681.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 18675552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13224 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (1167264).

Almost surely, 2^18675552 is an apocalyptic number.

18675552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18675552 is an abundant number, since it is smaller than the sum of its proper divisors (37353120).

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

18675552 is a wasteful number, since it uses less digits than its factorization.

18675552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27811 (or 27803 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 18675552 is about 4321.5219541268. The cubic root of 18675552 is about 265.3125634329.

The spelling of 18675552 in words is "eighteen million, six hundred seventy-five thousand, five hundred fifty-two".