5616566566049 has 2 divisors, whose sum is σ = 5616566566050. Its totient is φ = 5616566566048.

The previous prime is 5616566566033. The next prime is 5616566566069. The reversal of 5616566566049 is 9406656656165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5116530900625 + 500035665424 = 2261975^2 + 707132^2 .

It is a cyclic number.

It is not a de Polignac number, because 5616566566049 - 2⁴ = 5616566566033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5616566566069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808283283024 + 2808283283025.

It is an arithmetic number, because the mean of its divisors is an integer number (2808283283025).

Almost surely, 2^{5616566566049} is an apocalyptic number.

It is an amenable number.

5616566566049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5616566566049 is an equidigital number, since it uses as much as digits as its factorization.

5616566566049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952000, while the sum is 65.

The spelling of 5616566566049 in words is "five trillion, six hundred sixteen billion, five hundred sixty-six million, five hundred sixty-six thousand, forty-nine".