566600161 has 2 divisors, whose sum is σ = 566600162. Its totient is φ = 566600160.

The previous prime is 566600143. The next prime is 566600201. The reversal of 566600161 is 161006665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354606561 + 211993600 = 18831^2 + 14560^2 .

It is a cyclic number.

It is not a de Polignac number, because 566600161 - 2¹³ = 566591969 is a prime.

It is not a weakly prime, because it can be changed into another prime (566600131) 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, 283300080 + 283300081.

It is an arithmetic number, because the mean of its divisors is an integer number (283300081).

Almost surely, 2^566600161 is an apocalyptic number.

It is an amenable number.

566600161 is a deficient number, since it is larger than the sum of its proper divisors (1).

566600161 is an equidigital number, since it uses as much as digits as its factorization.

566600161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 566600161 is about 23803.3644890801. The cubic root of 566600161 is about 827.4826524051.

The spelling of 566600161 in words is "five hundred sixty-six million, six hundred thousand, one hundred sixty-one".