566120669 has 2 divisors, whose sum is σ = 566120670. Its totient is φ = 566120668.

The previous prime is 566120657. The next prime is 566120693. The reversal of 566120669 is 966021665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386908900 + 179211769 = 19670^2 + 13387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566120669 is a prime.

It is a super-2 number, since 2×566120669² = 640985223738015122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566120699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283060334 + 283060335.

It is an arithmetic number, because the mean of its divisors is an integer number (283060335).

Almost surely, 2^566120669 is an apocalyptic number.

It is an amenable number.

566120669 is a deficient number, since it is larger than the sum of its proper divisors (1).

566120669 is an equidigital number, since it uses as much as digits as its factorization.

566120669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 566120669 is about 23793.2904197801. The cubic root of 566120669 is about 827.2491642442.

The spelling of 566120669 in words is "five hundred sixty-six million, one hundred twenty thousand, six hundred sixty-nine".