516918980 has 48 divisors (see below), whose sum is σ = 1115299584. Its totient is φ = 201127680.

The previous prime is 516918973. The next prime is 516918989. The reversal of 516918980 is 89819615.

It is not an unprimeable number, because it can be changed into a prime (516918989) 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 15 ways as a sum of consecutive naturals, for example, 362549 + ... + 363971.

It is an arithmetic number, because the mean of its divisors is an integer number (23235408).

Almost surely, 2^516918980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516918980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557649792).

516918980 is an abundant number, since it is smaller than the sum of its proper divisors (598380604).

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

516918980 is a wasteful number, since it uses less digits than its factorization.

516918980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 47.

The square root of 516918980 is about 22735.8523042353. The cubic root of 516918980 is about 802.5538076582.

The spelling of 516918980 in words is "five hundred sixteen million, nine hundred eighteen thousand, nine hundred eighty".