566741663 has 2 divisors, whose sum is σ = 566741664. Its totient is φ = 566741662.

The previous prime is 566741641. The next prime is 566741683. The reversal of 566741663 is 366147665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 566741663 - 2⁸ = 566741407 is a prime.

It is a super-2 number, since 2×566741663² = 642392225160011138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566741683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283370831 + 283370832.

It is an arithmetic number, because the mean of its divisors is an integer number (283370832).

Almost surely, 2^566741663 is an apocalyptic number.

566741663 is a deficient number, since it is larger than the sum of its proper divisors (1).

566741663 is an equidigital number, since it uses as much as digits as its factorization.

566741663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 566741663 is about 23806.3366144394. The cubic root of 566741663 is about 827.5515314915.

The spelling of 566741663 in words is "five hundred sixty-six million, seven hundred forty-one thousand, six hundred sixty-three".