516265566 has 32 divisors (see below), whose sum is σ = 1050651648. Its totient is φ = 169085280.

The previous prime is 516265513. The next prime is 516265577. The reversal of 516265566 is 665562615.

It is a congruent number.

It is an unprimeable number.

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, 133131 + ... + 136953.

It is an arithmetic number, because the mean of its divisors is an integer number (32832864).

Almost surely, 2^516265566 is an apocalyptic number.

516265566 is an abundant number, since it is smaller than the sum of its proper divisors (534386082).

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

516265566 is a wasteful number, since it uses less digits than its factorization.

516265566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216.

The product of its digits is 324000, while the sum is 42.

The square root of 516265566 is about 22721.4780769210. The cubic root of 516265566 is about 802.2155077014.

The spelling of 516265566 in words is "five hundred sixteen million, two hundred sixty-five thousand, five hundred sixty-six".