198361112 has 8 divisors (see below), whose sum is σ = 371927100. Its totient is φ = 99180552.

The previous prime is 198361099. The next prime is 198361123. The reversal of 198361112 is 211163891.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12397562 + ... + 12397577.

Almost surely, 2^198361112 is an apocalyptic number.

It is an amenable number.

198361112 is a deficient number, since it is larger than the sum of its proper divisors (173565988).

198361112 is a wasteful number, since it uses less digits than its factorization.

198361112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24795145 (or 24795141 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 198361112 is about 14084.0729904385. The cubic root of 198361112 is about 583.2017852664.

The spelling of 198361112 in words is "one hundred ninety-eight million, three hundred sixty-one thousand, one hundred twelve".