566991244 has 12 divisors (see below), whose sum is σ = 1010956464. Its totient is φ = 278146544.

The previous prime is 566991223. The next prime is 566991247. The reversal of 566991244 is 442199665.

It is a junction number, because it is equal to n+sod(n) for n = 566991194 and 566991203.

It is not an unprimeable number, because it can be changed into a prime (566991247) 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, 1337032 + ... + 1337455.

It is an arithmetic number, because the mean of its divisors is an integer number (84246372).

Almost surely, 2^566991244 is an apocalyptic number.

It is an amenable number.

566991244 is a deficient number, since it is larger than the sum of its proper divisors (443965220).

566991244 is a wasteful number, since it uses less digits than its factorization.

566991244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674544 (or 2674542 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 566991244 is about 23811.5779401534. The cubic root of 566991244 is about 827.6729923739.

The spelling of 566991244 in words is "five hundred sixty-six million, nine hundred ninety-one thousand, two hundred forty-four".