5216716886657 has 2 divisors, whose sum is σ = 5216716886658. Its totient is φ = 5216716886656.

The previous prime is 5216716886627. The next prime is 5216716886671. The reversal of 5216716886657 is 7566886176125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4641995211841 + 574721674816 = 2154529^2 + 758104^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216716886657 - 2⁸ = 5216716886401 is a prime.

It is not a weakly prime, because it can be changed into another prime (5216716886627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608358443328 + 2608358443329.

It is an arithmetic number, because the mean of its divisors is an integer number (2608358443329).

Almost surely, 2^{5216716886657} is an apocalyptic number.

It is an amenable number.

5216716886657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5216716886657 is an equidigital number, since it uses as much as digits as its factorization.

5216716886657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 203212800, while the sum is 68.

The spelling of 5216716886657 in words is "five trillion, two hundred sixteen billion, seven hundred sixteen million, eight hundred eighty-six thousand, six hundred fifty-seven".