566115050161 has 4 divisors (see below), whose sum is σ = 568047183732. Its totient is φ = 564182916592.

The previous prime is 566115050143. The next prime is 566115050209. The reversal of 566115050161 is 161050511665.

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

It can be written as a sum of positive squares in 2 ways, for example, as 502618609936 + 63496440225 = 708956^2 + 251985^2 .

It is a cyclic number.

It is not a de Polignac number, because 566115050161 - 2⁵ = 566115050129 is a prime.

It is a super-2 number, since 2×566115050161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566115050161.

It is not an unprimeable number, because it can be changed into a prime (566115050131) 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, 966066346 + ... + 966066931.

It is an arithmetic number, because the mean of its divisors is an integer number (142011795933).

Almost surely, 2^566115050161 is an apocalyptic number.

It is an amenable number.

566115050161 is a deficient number, since it is larger than the sum of its proper divisors (1932133571).

566115050161 is a wasteful number, since it uses less digits than its factorization.

566115050161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932133570.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 566115050161 in words is "five hundred sixty-six billion, one hundred fifteen million, fifty thousand, one hundred sixty-one".