18660705132 has 24 divisors (see below), whose sum is σ = 43544948272. Its totient is φ = 6219763200.

The previous prime is 18660705101. The next prime is 18660705149. The reversal of 18660705132 is 23150706681.

It is a super-2 number, since 2×18660705132² (a number of 21 digits) contains 22 as substring.

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, 130032 + ... + 232872.

Almost surely, 2^18660705132 is an apocalyptic number.

18660705132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18660705132 is an abundant number, since it is smaller than the sum of its proper divisors (24884243140).

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

18660705132 is a wasteful number, since it uses less digits than its factorization.

18660705132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117969 (or 117967 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 18660705132 in words is "eighteen billion, six hundred sixty million, seven hundred five thousand, one hundred thirty-two".