516817320 has 32 divisors (see below), whose sum is σ = 1550452320. Its totient is φ = 137817920.

The previous prime is 516817313. The next prime is 516817321. The reversal of 516817320 is 23718615.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (516817321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2153286 + ... + 2153525.

It is an arithmetic number, because the mean of its divisors is an integer number (48451635).

Almost surely, 2^516817320 is an apocalyptic number.

It is an amenable number.

516817320 is an abundant number, since it is smaller than the sum of its proper divisors (1033635000).

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

516817320 is a wasteful number, since it uses less digits than its factorization.

516817320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306825 (or 4306821 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 516817320 is about 22733.6165182753. The cubic root of 516817320 is about 802.5011927273.

The spelling of 516817320 in words is "five hundred sixteen million, eight hundred seventeen thousand, three hundred twenty".