668936048132 has 36 divisors (see below), whose sum is σ = 1354457306160. Its totient is φ = 288058581360.

The previous prime is 668936048119. The next prime is 668936048141. The reversal of 668936048132 is 231840639866.

It is a happy number.

668936048132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 36361838 + ... + 36380229.

It is an arithmetic number, because the mean of its divisors is an integer number (37623814060).

Almost surely, 2^668936048132 is an apocalyptic number.

It is an amenable number.

668936048132 is an abundant number, since it is smaller than the sum of its proper divisors (685521258028).

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

668936048132 is a wasteful number, since it uses less digits than its factorization.

668936048132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72742112 (or 72742099 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 668936048132 in words is "six hundred sixty-eight billion, nine hundred thirty-six million, forty-eight thousand, one hundred thirty-two".