18358086232 has 8 divisors (see below), whose sum is σ = 34421411700. Its totient is φ = 9179043112.

The previous prime is 18358086217. The next prime is 18358086233. The reversal of 18358086232 is 23268085381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18358086233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1147380382 + ... + 1147380397.

Almost surely, 2^18358086232 is an apocalyptic number.

It is an amenable number.

18358086232 is a deficient number, since it is larger than the sum of its proper divisors (16063325468).

18358086232 is a wasteful number, since it uses less digits than its factorization.

18358086232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294760785 (or 2294760781 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 18358086232 in words is "eighteen billion, three hundred fifty-eight million, eighty-six thousand, two hundred thirty-two".