6664268884626 has 72 divisors (see below), whose sum is σ = 14511419350272. Its totient is φ = 2210374108800.

The previous prime is 6664268884601. The next prime is 6664268884667. The reversal of 6664268884626 is 6264888624666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1956050215 + ... + 1956053621.

It is an arithmetic number, because the mean of its divisors is an integer number (201547490976).

Almost surely, 2^{6664268884626} is an apocalyptic number.

6664268884626 is an abundant number, since it is smaller than the sum of its proper divisors (7847150465646).

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

6664268884626 is a wasteful number, since it uses less digits than its factorization.

6664268884626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768 (or 5524 counting only the distinct ones).

The product of its digits is 1528823808, while the sum is 72.

The spelling of 6664268884626 in words is "six trillion, six hundred sixty-four billion, two hundred sixty-eight million, eight hundred eighty-four thousand, six hundred twenty-six".