566161567 has 4 divisors (see below), whose sum is σ = 569006800. Its totient is φ = 563316336.

The previous prime is 566161553. The next prime is 566161619. The reversal of 566161567 is 765161665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566161567 - 2¹¹ = 566159519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566161517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422318 + ... + 1422715.

It is an arithmetic number, because the mean of its divisors is an integer number (142251700).

Almost surely, 2^566161567 is an apocalyptic number.

566161567 is a deficient number, since it is larger than the sum of its proper divisors (2845233).

566161567 is a wasteful number, since it uses less digits than its factorization.

566161567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845232.

The product of its digits is 226800, while the sum is 43.

The square root of 566161567 is about 23794.1498482295. The cubic root of 566161567 is about 827.2690846272.

The spelling of 566161567 in words is "five hundred sixty-six million, one hundred sixty-one thousand, five hundred sixty-seven".