516855498 has 16 divisors (see below), whose sum is σ = 1067056896. Its totient is φ = 166727520.

The previous prime is 516855497. The next prime is 516855509. The reversal of 516855498 is 894558615.

It is a self number, because there is not a number n which added to its sum of digits gives 516855498.

It is not an unprimeable number, because it can be changed into a prime (516855497) 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 7 ways as a sum of consecutive naturals, for example, 1389211 + ... + 1389582.

It is an arithmetic number, because the mean of its divisors is an integer number (66691056).

Almost surely, 2^516855498 is an apocalyptic number.

516855498 is an abundant number, since it is smaller than the sum of its proper divisors (550201398).

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

516855498 is a wasteful number, since it uses less digits than its factorization.

516855498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778829.

The product of its digits is 1728000, while the sum is 51.

The square root of 516855498 is about 22734.4561843911. The cubic root of 516855498 is about 802.5209528598.

The spelling of 516855498 in words is "five hundred sixteen million, eight hundred fifty-five thousand, four hundred ninety-eight".