198368368 has 60 divisors (see below), whose sum is σ = 428132320. Its totient is φ = 88957440.

The previous prime is 198368363. The next prime is 198368383. The reversal of 198368368 is 863863891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198368363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152296 + ... + 153592.

Almost surely, 2^198368368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198368368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214066160).

198368368 is an abundant number, since it is smaller than the sum of its proper divisors (229763952).

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

198368368 is a wasteful number, since it uses less digits than its factorization.

198368368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1389 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 198368368 is about 14084.3305840214. The cubic root of 198368368 is about 583.2088963050.

The spelling of 198368368 in words is "one hundred ninety-eight million, three hundred sixty-eight thousand, three hundred sixty-eight".