566564316371 has 2 divisors, whose sum is σ = 566564316372. Its totient is φ = 566564316370.

The previous prime is 566564316349. The next prime is 566564316389. The reversal of 566564316371 is 173613465665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566564316371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (566564816371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283282158185 + 283282158186.

It is an arithmetic number, because the mean of its divisors is an integer number (283282158186).

Almost surely, 2^566564316371 is an apocalyptic number.

566564316371 is a deficient number, since it is larger than the sum of its proper divisors (1).

566564316371 is an equidigital number, since it uses as much as digits as its factorization.

566564316371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 53.

The spelling of 566564316371 in words is "five hundred sixty-six billion, five hundred sixty-four million, three hundred sixteen thousand, three hundred seventy-one".