198190968 has 16 divisors (see below), whose sum is σ = 495477480. Its totient is φ = 66063648.

The previous prime is 198190961. The next prime is 198191003. The reversal of 198190968 is 869091891.

It is a happy number.

198190968 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198190968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198190961) 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, 4128955 + ... + 4129002.

Almost surely, 2^198190968 is an apocalyptic number.

It is an amenable number.

198190968 is an abundant number, since it is smaller than the sum of its proper divisors (297286512).

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

198190968 is a wasteful number, since it uses less digits than its factorization.

198190968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257966 (or 8257962 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 198190968 is about 14078.0313964702. The cubic root of 198190968 is about 583.0349906965.

The spelling of 198190968 in words is "one hundred ninety-eight million, one hundred ninety thousand, nine hundred sixty-eight".