6697644467966 has 8 divisors (see below), whose sum is σ = 10135373487264. Its totient is φ = 3319186638880.

The previous prime is 6697644467957. The next prime is 6697644468013.

6697644467966 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14817797270 + ... + 14817797721.

It is an arithmetic number, because the mean of its divisors is an integer number (1266921685908).

Almost surely, 2^{6697644467966} is an apocalyptic number.

6697644467966 is a deficient number, since it is larger than the sum of its proper divisors (3437729019298).

6697644467966 is a wasteful number, since it uses less digits than its factorization.

6697644467966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29635595106.

The product of its digits is 11851370496, while the sum is 80.

The spelling of 6697644467966 in words is "six trillion, six hundred ninety-seven billion, six hundred forty-four million, four hundred sixty-seven thousand, nine hundred sixty-six".