566689464 has 144 divisors (see below), whose sum is σ = 1745944200. Its totient is φ = 165728640.

The previous prime is 566689457. The next prime is 566689469. The reversal of 566689464 is 464986665.

It is a super-2 number, since 2×566689464² = 642273897217214592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 566689464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566689469) 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 35 ways as a sum of consecutive naturals, for example, 251527 + ... + 253769.

Almost surely, 2^566689464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566689464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872972100).

566689464 is an abundant number, since it is smaller than the sum of its proper divisors (1179254736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566689464 is a wasteful number, since it uses less digits than its factorization.

566689464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306 (or 2288 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 566689464 is about 23805.2402634378. The cubic root of 566689464 is about 827.5261238608.

The spelling of 566689464 in words is "five hundred sixty-six million, six hundred eighty-nine thousand, four hundred sixty-four".