198016908 has 24 divisors (see below), whose sum is σ = 463803648. Its totient is φ = 65753616.

The previous prime is 198016891. The next prime is 198016943. The reversal of 198016908 is 809610891.

It is a self number, because there is not a number n which added to its sum of digits gives 198016908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28216 + ... + 34527.

It is an arithmetic number, because the mean of its divisors is an integer number (19325152).

Almost surely, 2^198016908 is an apocalyptic number.

It is an amenable number.

198016908 is an abundant number, since it is smaller than the sum of its proper divisors (265786740).

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

198016908 is a wasteful number, since it uses less digits than its factorization.

198016908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63013 (or 63011 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 198016908 is about 14071.8480662634. The cubic root of 198016908 is about 582.8642584057.

The spelling of 198016908 in words is "one hundred ninety-eight million, sixteen thousand, nine hundred eight".