18532129368 has 16 divisors (see below), whose sum is σ = 46330323480. Its totient is φ = 6177376448.

The previous prime is 18532129349. The next prime is 18532129393. The reversal of 18532129368 is 86392123581.

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, 386086005 + ... + 386086052.

Almost surely, 2^18532129368 is an apocalyptic number.

It is an amenable number.

18532129368 is an abundant number, since it is smaller than the sum of its proper divisors (27798194112).

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

18532129368 is a wasteful number, since it uses less digits than its factorization.

18532129368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772172066 (or 772172062 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 18532129368 in words is "eighteen billion, five hundred thirty-two million, one hundred twenty-nine thousand, three hundred sixty-eight".