668881486882 has 16 divisors (see below), whose sum is σ = 1186193770560. Its totient is φ = 276778546128.

The previous prime is 668881486841. The next prime is 668881486891. The reversal of 668881486882 is 288684188866.

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, 823745268 + ... + 823746079.

It is an arithmetic number, because the mean of its divisors is an integer number (74137110660).

Almost surely, 2^668881486882 is an apocalyptic number.

668881486882 is a deficient number, since it is larger than the sum of its proper divisors (517312283678).

668881486882 is a wasteful number, since it uses less digits than its factorization.

668881486882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647491385.

The product of its digits is 452984832, while the sum is 73.

The spelling of 668881486882 in words is "six hundred sixty-eight billion, eight hundred eighty-one million, four hundred eighty-six thousand, eight hundred eighty-two".