566321003213 has 16 divisors (see below), whose sum is σ = 688739731200. Its totient is φ = 454568184576.

The previous prime is 566321003207. The next prime is 566321003233. The reversal of 566321003213 is 312300123665.

It is a cyclic number.

It is not a de Polignac number, because 566321003213 - 2⁴ = 566321003197 is a prime.

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 566321003213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566321003233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11933606 + ... + 11980967.

It is an arithmetic number, because the mean of its divisors is an integer number (43046233200).

Almost surely, 2^566321003213 is an apocalyptic number.

It is an amenable number.

566321003213 is a deficient number, since it is larger than the sum of its proper divisors (122418727987).

566321003213 is a wasteful number, since it uses less digits than its factorization.

566321003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23914796.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 566321003213 its reverse (312300123665), we get a palindrome (878621126878).

The spelling of 566321003213 in words is "five hundred sixty-six billion, three hundred twenty-one million, three thousand, two hundred thirteen".