18032152 has 16 divisors (see below), whose sum is σ = 33859440. Its totient is φ = 9002976.

The previous prime is 18032141. The next prime is 18032153. The reversal of 18032152 is 25123081.

It is a super-2 number, since 2×18032152² = 650317011502208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18032153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (2116215).

Almost surely, 2^18032152 is an apocalyptic number.

It is an amenable number.

18032152 is a deficient number, since it is larger than the sum of its proper divisors (15827288).

18032152 is a wasteful number, since it uses less digits than its factorization.

18032152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 18032152 is about 4246.4281461011. The cubic root of 18032152 is about 262.2300874890.

The spelling of 18032152 in words is "eighteen million, thirty-two thousand, one hundred fifty-two".