6671568717 has 12 divisors (see below), whose sum is σ = 10512775104. Its totient is φ = 4043374920.

The previous prime is 6671568691. The next prime is 6671568727. The reversal of 6671568717 is 7178651766.

6671568717 is a `hidden beast` number, since 6 + 6 + 7 + 1 + 568 + 71 + 7 = 666.

It is not a de Polignac number, because 6671568717 - 2⁶ = 6671568653 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671568727) 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, 33694693 + ... + 33694890.

It is an arithmetic number, because the mean of its divisors is an integer number (876064592).

Almost surely, 2^6671568717 is an apocalyptic number.

It is an amenable number.

6671568717 is a deficient number, since it is larger than the sum of its proper divisors (3841206387).

6671568717 is a wasteful number, since it uses less digits than its factorization.

6671568717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67389600 (or 67389597 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 6671568717 is about 81679.6713815623. The cubic root of 6671568717 is about 1882.5332453402.

The spelling of 6671568717 in words is "six billion, six hundred seventy-one million, five hundred sixty-eight thousand, seven hundred seventeen".