565993164 has 96 divisors (see below), whose sum is σ = 1498355712. Its totient is φ = 164736000.

The previous prime is 565993159. The next prime is 565993171. The reversal of 565993164 is 461399565.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642004 + ... + 642884.

It is an arithmetic number, because the mean of its divisors is an integer number (15607872).

Almost surely, 2^565993164 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 565993164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749177856).

565993164 is an abundant number, since it is smaller than the sum of its proper divisors (932362548).

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

565993164 is a wasteful number, since it uses less digits than its factorization.

565993164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

The product of its digits is 874800, while the sum is 48.

The square root of 565993164 is about 23790.6108370508. The cubic root of 565993164 is about 827.1870536199.

The spelling of 565993164 in words is "five hundred sixty-five million, nine hundred ninety-three thousand, one hundred sixty-four".