6698765660 has 24 divisors (see below), whose sum is σ = 14236898256. Its totient is φ = 2647222400.

The previous prime is 6698765657. The next prime is 6698765683. The reversal of 6698765660 is 665678966.

It is a super-2 number, since 2×6698765660² = 89746922735190471200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6698765660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016041 + ... + 2019360.

It is an arithmetic number, because the mean of its divisors is an integer number (593204094).

Almost surely, 2^6698765660 is an apocalyptic number.

It is an amenable number.

6698765660 is an abundant number, since it is smaller than the sum of its proper divisors (7538132596).

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

6698765660 is a wasteful number, since it uses less digits than its factorization.

6698765660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035493 (or 4035491 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 59.

The square root of 6698765660 is about 81845.9874398251. The cubic root of 6698765660 is about 1885.0878536496.

The spelling of 6698765660 in words is "six billion, six hundred ninety-eight million, seven hundred sixty-five thousand, six hundred sixty".