13668538032 has 60 divisors (see below), whose sum is σ = 38974697424. Its totient is φ = 4470211200.

The previous prime is 13668538027. The next prime is 13668538111. The reversal of 13668538032 is 23083586631.

It is a hoax number, since the sum of its digits (45) 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 11 ways as a sum of consecutive naturals, for example, 887844 + ... + 903107.

Almost surely, 2^13668538032 is an apocalyptic number.

13668538032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13668538032 is an abundant number, since it is smaller than the sum of its proper divisors (25306159392).

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

13668538032 is a wasteful number, since it uses less digits than its factorization.

13668538032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791018 (or 1791009 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 13668538032 in words is "thirteen billion, six hundred sixty-eight million, five hundred thirty-eight thousand, thirty-two".