198384719180 has 12 divisors (see below), whose sum is σ = 416607910320. Its totient is φ = 79353887664.

The previous prime is 198384719173. The next prime is 198384719191. The reversal of 198384719180 is 81917483891.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4959617960 + ... + 4959617999.

It is an arithmetic number, because the mean of its divisors is an integer number (34717325860).

Almost surely, 2^198384719180 is an apocalyptic number.

198384719180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198384719180 is an abundant number, since it is smaller than the sum of its proper divisors (218223191140).

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

198384719180 is a wasteful number, since it uses less digits than its factorization.

198384719180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919235968 (or 9919235966 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 59.

The spelling of 198384719180 in words is "one hundred ninety-eight billion, three hundred eighty-four million, seven hundred nineteen thousand, one hundred eighty".