198233568000 has 1728 divisors, whose sum is σ = 833589574272. Its totient is φ = 46581350400.

The previous prime is 198233567999. The next prime is 198233568107. The reversal of 198233568000 is 865332891.

It is a happy number.

198233568000 is a `hidden beast` number, since 1 + 9 + 82 + 3 + 3 + 568 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3740255974 + ... + 3740256026.

It is an arithmetic number, because the mean of its divisors is an integer number (482401374).

Almost surely, 2^198233568000 is an apocalyptic number.

198233568000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198233568000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416794787136).

198233568000 is an abundant number, since it is smaller than the sum of its proper divisors (635356006272).

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

198233568000 is an equidigital number, since it uses as much as digits as its factorization.

198233568000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 198233568000 in words is "one hundred ninety-eight billion, two hundred thirty-three million, five hundred sixty-eight thousand".