5566862686717 has 2 divisors, whose sum is σ = 5566862686718. Its totient is φ = 5566862686716.

The previous prime is 5566862686631. The next prime is 5566862686747. The reversal of 5566862686717 is 7176862686655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4736743076836 + 830119609881 = 2176406^2 + 911109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5566862686717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5566862686717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5566862686747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783431343358 + 2783431343359.

It is an arithmetic number, because the mean of its divisors is an integer number (2783431343359).

Almost surely, 2^{5566862686717} is an apocalyptic number.

It is an amenable number.

5566862686717 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566862686717 is an equidigital number, since it uses as much as digits as its factorization.

5566862686717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1219276800, while the sum is 73.

The spelling of 5566862686717 in words is "five trillion, five hundred sixty-six billion, eight hundred sixty-two million, six hundred eighty-six thousand, seven hundred seventeen".