198438908114 has 16 divisors (see below), whose sum is σ = 298772772480. Its totient is φ = 98848207920.

The previous prime is 198438908089. The next prime is 198438908137. The reversal of 198438908114 is 411809834891.

198438908114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198438908114.

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, 1773449 + ... + 1882019.

It is an arithmetic number, because the mean of its divisors is an integer number (18673298280).

Almost surely, 2^198438908114 is an apocalyptic number.

198438908114 is a deficient number, since it is larger than the sum of its proper divisors (100333864366).

198438908114 is a wasteful number, since it uses less digits than its factorization.

198438908114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111985.

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 198438908114 in words is "one hundred ninety-eight billion, four hundred thirty-eight million, nine hundred eight thousand, one hundred fourteen".