198288193368 has 32 divisors (see below), whose sum is σ = 495889329600. Its totient is φ = 66073551648.

The previous prime is 198288193343. The next prime is 198288193379. The reversal of 198288193368 is 863391882891.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 198288193299 and 198288193308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335046 + ... + 1476117.

It is an arithmetic number, because the mean of its divisors is an integer number (15496541550).

Almost surely, 2^198288193368 is an apocalyptic number.

It is an amenable number.

198288193368 is an abundant number, since it is smaller than the sum of its proper divisors (297601136232).

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

198288193368 is a wasteful number, since it uses less digits than its factorization.

198288193368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814111 (or 2814107 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 66.

The spelling of 198288193368 in words is "one hundred ninety-eight billion, two hundred eighty-eight million, one hundred ninety-three thousand, three hundred sixty-eight".