18059123632 has 40 divisors (see below), whose sum is σ = 38178127872. Its totient is φ = 8207035200.

The previous prime is 18059123623. The next prime is 18059123657. The reversal of 18059123632 is 23632195081.

It is a super-2 number, since 2×18059123632² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435353 + ... + 1447879.

Almost surely, 2^18059123632 is an apocalyptic number.

It is an amenable number.

18059123632 is an abundant number, since it is smaller than the sum of its proper divisors (20119004240).

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

18059123632 is a wasteful number, since it uses less digits than its factorization.

18059123632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20737 (or 20731 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 18059123632 in words is "eighteen billion, fifty-nine million, one hundred twenty-three thousand, six hundred thirty-two".