18130832 has 10 divisors (see below), whose sum is σ = 35128518. Its totient is φ = 9065408.

The previous prime is 18130817. The next prime is 18130867. The reversal of 18130832 is 23803181.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 6948496 = 3344^2 + 2636^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566573 + ... + 566604.

Almost surely, 2^18130832 is an apocalyptic number.

It is an amenable number.

18130832 is a deficient number, since it is larger than the sum of its proper divisors (16997686).

18130832 is a wasteful number, since it uses less digits than its factorization.

18130832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133185 (or 1133179 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 18130832 is about 4258.0314700575. The cubic root of 18130832 is about 262.7075643271.

It can be divided in two parts, 181 and 30832, that added together give a palindrome (31013).

The spelling of 18130832 in words is "eighteen million, one hundred thirty thousand, eight hundred thirty-two".