568488161 has 2 divisors, whose sum is σ = 568488162. Its totient is φ = 568488160.

The previous prime is 568488139. The next prime is 568488203. The reversal of 568488161 is 161884865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451307536 + 117180625 = 21244^2 + 10825^2 .

It is a cyclic number.

It is not a de Polignac number, because 568488161 - 2²⁶ = 501379297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (568481161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284244080 + 284244081.

It is an arithmetic number, because the mean of its divisors is an integer number (284244081).

Almost surely, 2^568488161 is an apocalyptic number.

It is an amenable number.

568488161 is a deficient number, since it is larger than the sum of its proper divisors (1).

568488161 is an equidigital number, since it uses as much as digits as its factorization.

568488161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 47.

The square root of 568488161 is about 23842.9897663863. The cubic root of 568488161 is about 828.4007337959.

The spelling of 568488161 in words is "five hundred sixty-eight million, four hundred eighty-eight thousand, one hundred sixty-one".