6698580608 has 32 divisors (see below), whose sum is σ = 13387543860. Its totient is φ = 3338569728.

The previous prime is 6698580607. The next prime is 6698580619. The reversal of 6698580608 is 8060858966.

It can be written as a sum of positive squares in 2 ways, for example, as 6210700864 + 487879744 = 78808^2 + 22088^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (6698580607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43535 + ... + 123662.

Almost surely, 2^6698580608 is an apocalyptic number.

It is an amenable number.

6698580608 is a deficient number, since it is larger than the sum of its proper divisors (6688963252).

6698580608 is a wasteful number, since it uses less digits than its factorization.

6698580608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167524 (or 167512 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The square root of 6698580608 is about 81844.8569428770. The cubic root of 6698580608 is about 1885.0704951039.

The spelling of 6698580608 in words is "six billion, six hundred ninety-eight million, five hundred eighty thousand, six hundred eight".