198112068 has 144 divisors (see below), whose sum is σ = 647721984. Its totient is φ = 51438240.

The previous prime is 198112063. The next prime is 198112073. The reversal of 198112068 is 860211891.

It is an interprime number because it is at equal distance from previous prime (198112063) and next prime (198112073).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (198112063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73521 + ... + 76167.

Almost surely, 2^198112068 is an apocalyptic number.

198112068 is a gapful number since it is divisible by the number (18) 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 198112068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323860992).

198112068 is an abundant number, since it is smaller than the sum of its proper divisors (449609916).

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

198112068 is a wasteful number, since it uses less digits than its factorization.

198112068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 198112068 is about 14075.2288791337. The cubic root of 198112068 is about 582.9576115119.

The spelling of 198112068 in words is "one hundred ninety-eight million, one hundred twelve thousand, sixty-eight".