566481631 has 6 divisors (see below), whose sum is σ = 585345696. Its totient is φ = 548207100.

The previous prime is 566481571. The next prime is 566481653. The reversal of 566481631 is 136184665.

It is not a de Polignac number, because 566481631 - 2¹⁷ = 566350559 is a prime.

It is a super-2 number, since 2×566481631² = 641802876520840322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566481661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293775 + ... + 295696.

It is an arithmetic number, because the mean of its divisors is an integer number (97557616).

Almost surely, 2^566481631 is an apocalyptic number.

566481631 is a deficient number, since it is larger than the sum of its proper divisors (18864065).

566481631 is an equidigital number, since it uses as much as digits as its factorization.

566481631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589533 (or 589502 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 566481631 is about 23800.8745847710. The cubic root of 566481631 is about 827.4249465979.

The spelling of 566481631 in words is "five hundred sixty-six million, four hundred eighty-one thousand, six hundred thirty-one".