516499851 has 24 divisors (see below), whose sum is σ = 799115520. Its totient is φ = 290684592.

The previous prime is 516499813. The next prime is 516499861. The reversal of 516499851 is 158994615.

It is not a de Polignac number, because 516499851 - 2¹⁷ = 516368779 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 516499851.

It is not an unprimeable number, because it can be changed into a prime (516499801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91530 + ... + 97008.

It is an arithmetic number, because the mean of its divisors is an integer number (33296480).

Almost surely, 2^516499851 is an apocalyptic number.

516499851 is a deficient number, since it is larger than the sum of its proper divisors (282615669).

516499851 is an equidigital number, since it uses as much as digits as its factorization.

516499851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623 (or 5556 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The square root of 516499851 is about 22726.6330766350. The cubic root of 516499851 is about 802.3368397246.

The spelling of 516499851 in words is "five hundred sixteen million, four hundred ninety-nine thousand, eight hundred fifty-one".