6697560663 has 12 divisors (see below), whose sum is σ = 9685606840. Its totient is φ = 4459800816.

The previous prime is 6697560641. The next prime is 6697560673. The reversal of 6697560663 is 3660657966.

It is not a de Polignac number, because 6697560663 - 2⁵ = 6697560631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697560673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428533 + ... + 443886.

Almost surely, 2^6697560663 is an apocalyptic number.

6697560663 is a deficient number, since it is larger than the sum of its proper divisors (2988046177).

6697560663 is a wasteful number, since it uses less digits than its factorization.

6697560663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873278 (or 873275 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The square root of 6697560663 is about 81838.6257399280. The cubic root of 6697560663 is about 1884.9748148431.

The spelling of 6697560663 in words is "six billion, six hundred ninety-seven million, five hundred sixty thousand, six hundred sixty-three".