198875916 has 18 divisors (see below), whose sum is σ = 502714212. Its totient is φ = 66291960.

The previous prime is 198875893. The next prime is 198875923. The reversal of 198875916 is 619578891.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2762130 + ... + 2762201.

Almost surely, 2^198875916 is an apocalyptic number.

It is an amenable number.

198875916 is an abundant number, since it is smaller than the sum of its proper divisors (303838296).

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

198875916 is a wasteful number, since it uses less digits than its factorization.

198875916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524341 (or 5524336 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The square root of 198875916 is about 14102.3372530939. The cubic root of 198875916 is about 583.7058747542.

The spelling of 198875916 in words is "one hundred ninety-eight million, eight hundred seventy-five thousand, nine hundred sixteen".