6696658566966 has 64 divisors (see below), whose sum is σ = 13668885457920. Its totient is φ = 2186704773120.

The previous prime is 6696658566947. The next prime is 6696658566973.

6696658566966 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 31 ways as a sum of consecutive naturals, for example, 186160630 + ... + 186196598.

It is an arithmetic number, because the mean of its divisors is an integer number (213576335280).

Almost surely, 2^{6696658566966} is an apocalyptic number.

6696658566966 is an abundant number, since it is smaller than the sum of its proper divisors (6972226890954).

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

6696658566966 is a wasteful number, since it uses less digits than its factorization.

6696658566966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38829.

The product of its digits is 27209779200, while the sum is 84.

The spelling of 6696658566966 in words is "six trillion, six hundred ninety-six billion, six hundred fifty-eight million, five hundred sixty-six thousand, nine hundred sixty-six".