516365266 has 16 divisors (see below), whose sum is σ = 797304600. Its totient is φ = 250629120.

The previous prime is 516365263. The next prime is 516365309. The reversal of 516365266 is 662563615.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 515517025 + 848241 = 22705^2 + 921^2 .

It is not an unprimeable number, because it can be changed into a prime (516365263) 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 7 ways as a sum of consecutive naturals, for example, 25456 + ... + 40996.

Almost surely, 2^516365266 is an apocalyptic number.

516365266 is a deficient number, since it is larger than the sum of its proper divisors (280939334).

516365266 is a wasteful number, since it uses less digits than its factorization.

516365266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16029.

The product of its digits is 194400, while the sum is 40.

The square root of 516365266 is about 22723.6719303901. The cubic root of 516365266 is about 802.2671450391.

The spelling of 516365266 in words is "five hundred sixteen million, three hundred sixty-five thousand, two hundred sixty-six".