6566962696656 has 80 divisors (see below), whose sum is σ = 17424015053568. Its totient is φ = 2129720947200.

The previous prime is 6566962696643. The next prime is 6566962696667.

6566962696656 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41321026 + ... + 41479646.

Almost surely, 2^{6566962696656} is an apocalyptic number.

It is an amenable number.

6566962696656 is an abundant number, since it is smaller than the sum of its proper divisors (10857052356912).

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

6566962696656 is a wasteful number, since it uses less digits than its factorization.

6566962696656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181980 (or 181974 counting only the distinct ones).

The product of its digits is 6802444800, while the sum is 78.

The spelling of 6566962696656 in words is "six trillion, five hundred sixty-six billion, nine hundred sixty-two million, six hundred ninety-six thousand, six hundred fifty-six".