516680508 has 12 divisors (see below), whose sum is σ = 1205587880. Its totient is φ = 172226832.

The previous prime is 516680429. The next prime is 516680537. The reversal of 516680508 is 805086615.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21528343 + ... + 21528366.

Almost surely, 2^516680508 is an apocalyptic number.

It is an amenable number.

516680508 is an abundant number, since it is smaller than the sum of its proper divisors (688907372).

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

516680508 is a wasteful number, since it uses less digits than its factorization.

516680508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43056716 (or 43056714 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 516680508 is about 22730.6072950108. The cubic root of 516680508 is about 802.4303737110.

The spelling of 516680508 in words is "five hundred sixteen million, six hundred eighty thousand, five hundred eight".