198852988908 has 24 divisors (see below), whose sum is σ = 530274637312. Its totient is φ = 56815139664.

The previous prime is 198852988907. The next prime is 198852988963. The reversal of 198852988908 is 809889258891.

It is a super-2 number, since 2×198852988908² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 198852988908.

It is not an unprimeable number, because it can be changed into a prime (198852988903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183648660 + ... + 1183648827.

Almost surely, 2^198852988908 is an apocalyptic number.

It is an amenable number.

198852988908 is an abundant number, since it is smaller than the sum of its proper divisors (331421648404).

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

198852988908 is a wasteful number, since it uses less digits than its factorization.

198852988908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367297501 (or 2367297499 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 75.

The spelling of 198852988908 in words is "one hundred ninety-eight billion, eight hundred fifty-two million, nine hundred eighty-eight thousand, nine hundred eight".