566161515 has 16 divisors (see below), whose sum is σ = 1006509600. Its totient is φ = 301952736.

The previous prime is 566161511. The next prime is 566161517. The reversal of 566161515 is 515161665.

It is not a de Polignac number, because 566161515 - 2² = 566161511 is a prime.

It is a super-2 number, since 2×566161515² = 641077722134190450, 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 566161515.

It is not an unprimeable number, because it can be changed into a prime (566161511) 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 15 ways as a sum of consecutive naturals, for example, 2096760 + ... + 2097029.

It is an arithmetic number, because the mean of its divisors is an integer number (62906850).

Almost surely, 2^566161515 is an apocalyptic number.

566161515 is a deficient number, since it is larger than the sum of its proper divisors (440348085).

566161515 is a wasteful number, since it uses less digits than its factorization.

566161515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193803 (or 4193797 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 566161515 is about 23794.1487555239. The cubic root of 566161515 is about 827.2690592999.

It can be divided in two parts, 5661 and 61515, that added together give a palindrome (67176).

The spelling of 566161515 in words is "five hundred sixty-six million, one hundred sixty-one thousand, five hundred fifteen".