198468768 has 24 divisors (see below), whose sum is σ = 520980768. Its totient is φ = 66156224.

The previous prime is 198468763. The next prime is 198468769. The reversal of 198468768 is 867864891.

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

It is not an unprimeable number, because it can be changed into a prime (198468763) 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, 1033596 + ... + 1033787.

It is an arithmetic number, because the mean of its divisors is an integer number (21707532).

Almost surely, 2^198468768 is an apocalyptic number.

It is an amenable number.

198468768 is an abundant number, since it is smaller than the sum of its proper divisors (322512000).

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

198468768 is a wasteful number, since it uses less digits than its factorization.

198468768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067396 (or 2067388 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 198468768 is about 14087.8943777983. The cubic root of 198468768 is about 583.3072727042.

The spelling of 198468768 in words is "one hundred ninety-eight million, four hundred sixty-eight thousand, seven hundred sixty-eight".