566604443042441 has 4 divisors (see below), whose sum is σ = 566604550830852. Its totient is φ = 566604335254032.

The previous prime is 566604443042437. The next prime is 566604443042479. The reversal of 566604443042441 is 144240344406665.

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 458940473026816 + 107663970015625 = 21422896^2 + 10376125^2 .

It is a cyclic number.

It is not a de Polignac number, because 566604443042441 - 2² = 566604443042437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566604473042441) 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, 45581906 + ... + 56664971.

It is an arithmetic number, because the mean of its divisors is an integer number (141651137707713).

Almost surely, 2^{566604443042441} is an apocalyptic number.

It is an amenable number.

566604443042441 is a deficient number, since it is larger than the sum of its proper divisors (107788411).

566604443042441 is a wasteful number, since it uses less digits than its factorization.

566604443042441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107788410.

The product of its (nonzero) digits is 26542080, while the sum is 53.

The spelling of 566604443042441 in words is "five hundred sixty-six trillion, six hundred four billion, four hundred forty-three million, forty-two thousand, four hundred forty-one".