518921196 has 24 divisors (see below), whose sum is σ = 1211641200. Its totient is φ = 172855872.

The previous prime is 518921171. The next prime is 518921201. The reversal of 518921196 is 691129815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4630 + ... + 32546.

It is an arithmetic number, because the mean of its divisors is an integer number (50485050).

Almost surely, 2^518921196 is an apocalyptic number.

It is an amenable number.

518921196 is an abundant number, since it is smaller than the sum of its proper divisors (692720004).

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

518921196 is a wasteful number, since it uses less digits than its factorization.

518921196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29473 (or 29471 counting only the distinct ones).

The product of its digits is 38880, while the sum is 42.

The square root of 518921196 is about 22779.8418782923. The cubic root of 518921196 is about 803.5886673455.

The spelling of 518921196 in words is "five hundred eighteen million, nine hundred twenty-one thousand, one hundred ninety-six".