566161933 has 2 divisors, whose sum is σ = 566161934. Its totient is φ = 566161932.

The previous prime is 566161913. The next prime is 566161961. The reversal of 566161933 is 339161665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381147529 + 185014404 = 19523^2 + 13602^2 .

It is a cyclic number.

It is not a de Polignac number, because 566161933 - 2¹³ = 566153741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566161913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283080966 + 283080967.

It is an arithmetic number, because the mean of its divisors is an integer number (283080967).

Almost surely, 2^566161933 is an apocalyptic number.

It is an amenable number.

566161933 is a deficient number, since it is larger than the sum of its proper divisors (1).

566161933 is an equidigital number, since it uses as much as digits as its factorization.

566161933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The square root of 566161933 is about 23794.1575391944. The cubic root of 566161933 is about 827.2692628922.

The spelling of 566161933 in words is "five hundred sixty-six million, one hundred sixty-one thousand, nine hundred thirty-three".