516999830 has 16 divisors (see below), whose sum is σ = 931009680. Its totient is φ = 206708832.

The previous prime is 516999829. The next prime is 516999871. The reversal of 516999830 is 38999615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15461 + ... + 35679.

It is an arithmetic number, because the mean of its divisors is an integer number (58188105).

Almost surely, 2^516999830 is an apocalyptic number.

516999830 is a deficient number, since it is larger than the sum of its proper divisors (414009850).

516999830 is a wasteful number, since it uses less digits than its factorization.

516999830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22783.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 516999830 is about 22737.6302635081. The cubic root of 516999830 is about 802.5956472857.

The spelling of 516999830 in words is "five hundred sixteen million, nine hundred ninety-nine thousand, eight hundred thirty".