198384894888 has 16 divisors (see below), whose sum is σ = 495962237280. Its totient is φ = 66128298288.

The previous prime is 198384894881. The next prime is 198384894913. The reversal of 198384894888 is 888498483891.

198384894888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198384894881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133018620 + ... + 4133018667.

It is an arithmetic number, because the mean of its divisors is an integer number (30997639830).

Almost surely, 2^198384894888 is an apocalyptic number.

It is an amenable number.

198384894888 is an abundant number, since it is smaller than the sum of its proper divisors (297577342392).

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

198384894888 is a wasteful number, since it uses less digits than its factorization.

198384894888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8266037296 (or 8266037292 counting only the distinct ones).

The product of its digits is 1019215872, while the sum is 78.

The spelling of 198384894888 in words is "one hundred ninety-eight billion, three hundred eighty-four million, eight hundred ninety-four thousand, eight hundred eighty-eight".