566312265421 has 8 divisors (see below), whose sum is σ = 647219926080. Its totient is φ = 485406081888.

The previous prime is 566312265377. The next prime is 566312265473. The reversal of 566312265421 is 124562213665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 566312265421 - 2¹⁵ = 566312232653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566312265481) 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 7 ways as a sum of consecutive naturals, for example, 633990 + ... + 1238776.

It is an arithmetic number, because the mean of its divisors is an integer number (80902490760).

Almost surely, 2^566312265421 is an apocalyptic number.

It is an amenable number.

566312265421 is a deficient number, since it is larger than the sum of its proper divisors (80907660659).

566312265421 is a wasteful number, since it uses less digits than its factorization.

566312265421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738563.

The product of its digits is 518400, while the sum is 43.

The spelling of 566312265421 in words is "five hundred sixty-six billion, three hundred twelve million, two hundred sixty-five thousand, four hundred twenty-one".