516306766 has 4 divisors (see below), whose sum is σ = 774460152. Its totient is φ = 258153382.

The previous prime is 516306751. The next prime is 516306793. The reversal of 516306766 is 667603615.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 129076690 + ... + 129076693.

It is an arithmetic number, because the mean of its divisors is an integer number (193615038).

Almost surely, 2^516306766 is an apocalyptic number.

516306766 is a deficient number, since it is larger than the sum of its proper divisors (258153386).

516306766 is a wasteful number, since it uses less digits than its factorization.

516306766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258153385.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 516306766 is about 22722.3846899924. The cubic root of 516306766 is about 802.2368471063.

The spelling of 516306766 in words is "five hundred sixteen million, three hundred six thousand, seven hundred sixty-six".