6669684968896 has 28 divisors (see below), whose sum is σ = 13236554458512. Its totient is φ = 3334490144768.

The previous prime is 6669684968893. The next prime is 6669684968923. The reversal of 6669684968896 is 6988694869666.

It is a self number, because there is not a number n which added to its sum of digits gives 6669684968896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669684968893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894300 + ... + 6106843.

It is an arithmetic number, because the mean of its divisors is an integer number (472734087804).

Almost surely, 2^{6669684968896} is an apocalyptic number.

It is an amenable number.

6669684968896 is a deficient number, since it is larger than the sum of its proper divisors (6566869489616).

6669684968896 is a wasteful number, since it uses less digits than its factorization.

6669684968896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010628 (or 11010618 counting only the distinct ones).

The product of its digits is 69657034752, while the sum is 91.

The spelling of 6669684968896 in words is "six trillion, six hundred sixty-nine billion, six hundred eighty-four million, nine hundred sixty-eight thousand, eight hundred ninety-six".