198622422168 has 32 divisors (see below), whose sum is σ = 497090617200. Its totient is φ = 66136199168.

The previous prime is 198622422151. The next prime is 198622422169. The reversal of 198622422168 is 861224226891.

198622422168 is digitally balanced in base 2, because in such base 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 198622422168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198622422169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431921 + ... + 4476512.

Almost surely, 2^198622422168 is an apocalyptic number.

It is an amenable number.

198622422168 is an abundant number, since it is smaller than the sum of its proper divisors (298468195032).

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

198622422168 is a wasteful number, since it uses less digits than its factorization.

198622422168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8909371 (or 8909367 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The spelling of 198622422168 in words is "one hundred ninety-eight billion, six hundred twenty-two million, four hundred twenty-two thousand, one hundred sixty-eight".