566646604241 has 2 divisors, whose sum is σ = 566646604242. Its totient is φ = 566646604240.

The previous prime is 566646604211. The next prime is 566646604339. The reversal of 566646604241 is 142406646665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561194258641 + 5452345600 = 749129^2 + 73840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566646604241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 566646604241.

It is not a weakly prime, because it can be changed into another prime (566646604211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283323302120 + 283323302121.

It is an arithmetic number, because the mean of its divisors is an integer number (283323302121).

Almost surely, 2^566646604241 is an apocalyptic number.

It is an amenable number.

566646604241 is a deficient number, since it is larger than the sum of its proper divisors (1).

566646604241 is an equidigital number, since it uses as much as digits as its factorization.

566646604241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 566646604241 in words is "five hundred sixty-six billion, six hundred forty-six million, six hundred four thousand, two hundred forty-one".