563431816 has 32 divisors (see below), whose sum is σ = 1119744000. Its totient is φ = 264868096.

The previous prime is 563431801. The next prime is 563431837. The reversal of 563431816 is 618134365.

It is a super-2 number, since 2×563431816² = 634910822562115712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194265 + ... + 197143.

It is an arithmetic number, because the mean of its divisors is an integer number (34992000).

Almost surely, 2^563431816 is an apocalyptic number.

It is an amenable number.

563431816 is a deficient number, since it is larger than the sum of its proper divisors (556312184).

563431816 is a wasteful number, since it uses less digits than its factorization.

563431816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4337 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 563431816 is about 23736.7187285859. The cubic root of 563431816 is about 825.9373812962.

The spelling of 563431816 in words is "five hundred sixty-three million, four hundred thirty-one thousand, eight hundred sixteen".