518716219098 has 128 divisors (see below), whose sum is σ = 1324279756800. Its totient is φ = 131520856320.

The previous prime is 518716219067. The next prime is 518716219121. The reversal of 518716219098 is 890912617815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38712136 + ... + 38725532.

It is an arithmetic number, because the mean of its divisors is an integer number (10345935600).

Almost surely, 2^518716219098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518716219098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662139878400).

518716219098 is an abundant number, since it is smaller than the sum of its proper divisors (805563537702).

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

518716219098 is a wasteful number, since it uses less digits than its factorization.

518716219098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15412.

The product of its (nonzero) digits is 2177280, while the sum is 57.

The spelling of 518716219098 in words is "five hundred eighteen billion, seven hundred sixteen million, two hundred nineteen thousand, ninety-eight".