6696594866 has 16 divisors (see below), whose sum is σ = 10825907904. Its totient is φ = 3088355664.

The previous prime is 6696594857. The next prime is 6696594869. The reversal of 6696594866 is 6684956966.

It is not an unprimeable number, because it can be changed into a prime (6696594869) 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, 64550 + ... + 132513.

It is an arithmetic number, because the mean of its divisors is an integer number (676619244).

Almost surely, 2^6696594866 is an apocalyptic number.

6696594866 is a deficient number, since it is larger than the sum of its proper divisors (4129313038).

6696594866 is a wasteful number, since it uses less digits than its factorization.

6696594866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198385.

The product of its digits is 100776960, while the sum is 65.

The square root of 6696594866 is about 81832.7249088041. The cubic root of 6696594866 is about 1884.8842052105.

Subtracting from 6696594866 its reverse (6684956966), we obtain a triangular number (11637900 = T₄₈₂₄).

The spelling of 6696594866 in words is "six billion, six hundred ninety-six million, five hundred ninety-four thousand, eight hundred sixty-six".