6698966556824 has 32 divisors (see below), whose sum is σ = 12586169395200. Its totient is φ = 3342657296160.

The previous prime is 6698966556809. The next prime is 6698966556829. The reversal of 6698966556824 is 4286556698966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698966556829) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20982017 + ... + 21298895.

It is an arithmetic number, because the mean of its divisors is an integer number (393317793600).

Almost surely, 2^{6698966556824} is an apocalyptic number.

It is an amenable number.

6698966556824 is a deficient number, since it is larger than the sum of its proper divisors (5887202838376).

6698966556824 is a wasteful number, since it uses less digits than its factorization.

6698966556824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322263 (or 322259 counting only the distinct ones).

The product of its digits is 8062156800, while the sum is 80.

The spelling of 6698966556824 in words is "six trillion, six hundred ninety-eight billion, nine hundred sixty-six million, five hundred fifty-six thousand, eight hundred twenty-four".