566629663 has 2 divisors, whose sum is σ = 566629664. Its totient is φ = 566629662.

The previous prime is 566629643. The next prime is 566629667. The reversal of 566629663 is 366926665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 566629663 - 2⁵ = 566629631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566629667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283314831 + 283314832.

It is an arithmetic number, because the mean of its divisors is an integer number (283314832).

Almost surely, 2^566629663 is an apocalyptic number.

566629663 is a deficient number, since it is larger than the sum of its proper divisors (1).

566629663 is an equidigital number, since it uses as much as digits as its factorization.

566629663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 49.

The square root of 566629663 is about 23803.9841833253. The cubic root of 566629663 is about 827.4970140727.

The spelling of 566629663 in words is "five hundred sixty-six million, six hundred twenty-nine thousand, six hundred sixty-three".