566007166341161 has 4 divisors (see below), whose sum is σ = 566013791895300. Its totient is φ = 566000540787024.

The previous prime is 566007166341157. The next prime is 566007166341191. The reversal of 566007166341161 is 161143661700665.

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 128900963143936 + 437106203197225 = 11353456^2 + 20907085^2 .

It is a cyclic number.

It is not a de Polignac number, because 566007166341161 - 2² = 566007166341157 is a prime.

It is a super-2 number, since 2×566007166341161² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (566007166341131) 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, 3312648926 + ... + 3312819783.

It is an arithmetic number, because the mean of its divisors is an integer number (141503447973825).

Almost surely, 2^{566007166341161} is an apocalyptic number.

It is an amenable number.

566007166341161 is a deficient number, since it is larger than the sum of its proper divisors (6625554139).

566007166341161 is an equidigital number, since it uses as much as digits as its factorization.

566007166341161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625554138.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 566007166341161 in words is "five hundred sixty-six trillion, seven billion, one hundred sixty-six million, three hundred forty-one thousand, one hundred sixty-one".