565488066 has 32 divisors (see below), whose sum is σ = 1328701248. Its totient is φ = 158178240.

The previous prime is 565488061. The next prime is 565488071. The reversal of 565488066 is 660884565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (565488061) and next prime (565488071).

It is not an unprimeable number, because it can be changed into a prime (565488061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328681 + ... + 330396.

It is an arithmetic number, because the mean of its divisors is an integer number (41521914).

Almost surely, 2^565488066 is an apocalyptic number.

565488066 is an abundant number, since it is smaller than the sum of its proper divisors (763213182).

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

565488066 is a wasteful number, since it uses less digits than its factorization.

565488066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659106.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The square root of 565488066 is about 23779.9929772908. The cubic root of 565488066 is about 826.9409170345.

The spelling of 565488066 in words is "five hundred sixty-five million, four hundred eighty-eight thousand, sixty-six".