6617664552713 has 2 divisors, whose sum is σ = 6617664552714. Its totient is φ = 6617664552712.

The previous prime is 6617664552659. The next prime is 6617664552743. The reversal of 6617664552713 is 3172554667166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6188014455184 + 429650097529 = 2487572^2 + 655477^2 .

It is a cyclic number.

It is not a de Polignac number, because 6617664552713 - 2¹⁰ = 6617664551689 is a prime.

It is not a weakly prime, because it can be changed into another prime (6617664552743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308832276356 + 3308832276357.

It is an arithmetic number, because the mean of its divisors is an integer number (3308832276357).

Almost surely, 2^{6617664552713} is an apocalyptic number.

It is an amenable number.

6617664552713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6617664552713 is an equidigital number, since it uses as much as digits as its factorization.

6617664552713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 59.

The spelling of 6617664552713 in words is "six trillion, six hundred seventeen billion, six hundred sixty-four million, five hundred fifty-two thousand, seven hundred thirteen".