6688135017 has 24 divisors (see below), whose sum is σ = 10086043968. Its totient is φ = 4262623200.

The previous prime is 6688135009. The next prime is 6688135049. The reversal of 6688135017 is 7105318866.

6688135017 is a `hidden beast` number, since 6 + 68 + 81 + 3 + 501 + 7 = 666.

It is not a de Polignac number, because 6688135017 - 2³ = 6688135009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6688135007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435642 + ... + 450732.

It is an arithmetic number, because the mean of its divisors is an integer number (420251832).

Almost surely, 2^6688135017 is an apocalyptic number.

It is an amenable number.

6688135017 is a deficient number, since it is larger than the sum of its proper divisors (3397908951).

6688135017 is a wasteful number, since it uses less digits than its factorization.

6688135017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17261 (or 17258 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 6688135017 is about 81781.0186840443. The cubic root of 6688135017 is about 1884.0901421770.

The spelling of 6688135017 in words is "six billion, six hundred eighty-eight million, one hundred thirty-five thousand, seventeen".