516856266 has 48 divisors (see below), whose sum is σ = 1138924800. Its totient is φ = 169377120.

The previous prime is 516856261. The next prime is 516856267. The reversal of 516856266 is 662658615.

It is a happy number.

516856266 is a `hidden beast` number, since 5 + 16 + 8 + 5 + 626 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (516856261) 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 23 ways as a sum of consecutive naturals, for example, 275311 + ... + 277181.

It is an arithmetic number, because the mean of its divisors is an integer number (23727600).

Almost surely, 2^516856266 is an apocalyptic number.

516856266 is an abundant number, since it is smaller than the sum of its proper divisors (622068534).

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

516856266 is a wasteful number, since it uses less digits than its factorization.

516856266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2128 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 516856266 is about 22734.4730750462. The cubic root of 516856266 is about 802.5213503505.

The spelling of 516856266 in words is "five hundred sixteen million, eight hundred fifty-six thousand, two hundred sixty-six".