563960517161 has 2 divisors, whose sum is σ = 563960517162. Its totient is φ = 563960517160.

The previous prime is 563960517089. The next prime is 563960517209. The reversal of 563960517161 is 161715069365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563916891136 + 43626025 = 750944^2 + 6605^2 .

It is a cyclic number.

It is not a de Polignac number, because 563960517161 - 2¹⁸ = 563960255017 is a prime.

It is not a weakly prime, because it can be changed into another prime (563969517161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281980258580 + 281980258581.

It is an arithmetic number, because the mean of its divisors is an integer number (281980258581).

Almost surely, 2^563960517161 is an apocalyptic number.

It is an amenable number.

563960517161 is a deficient number, since it is larger than the sum of its proper divisors (1).

563960517161 is an equidigital number, since it uses as much as digits as its factorization.

563960517161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 563960517161 in words is "five hundred sixty-three billion, nine hundred sixty million, five hundred seventeen thousand, one hundred sixty-one".