198127968 has 24 divisors (see below), whose sum is σ = 520086168. Its totient is φ = 66042624.

The previous prime is 198127931. The next prime is 198127981. The reversal of 198127968 is 869721891.

198127968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×198127968³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 198127968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031821 + ... + 1032012.

It is an arithmetic number, because the mean of its divisors is an integer number (21670257).

Almost surely, 2^198127968 is an apocalyptic number.

It is an amenable number.

198127968 is an abundant number, since it is smaller than the sum of its proper divisors (321958200).

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

198127968 is a wasteful number, since it uses less digits than its factorization.

198127968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063846 (or 2063838 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The square root of 198127968 is about 14075.7936898777. The cubic root of 198127968 is about 582.9732066885.

The spelling of 198127968 in words is "one hundred ninety-eight million, one hundred twenty-seven thousand, nine hundred sixty-eight".