198233664 has 28 divisors (see below), whose sum is σ = 524493744. Its totient is φ = 66077824.

The previous prime is 198233653. The next prime is 198233677. The reversal of 198233664 is 466332891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516042 + ... + 516425.

Almost surely, 2^198233664 is an apocalyptic number.

It is an amenable number.

198233664 is an abundant number, since it is smaller than the sum of its proper divisors (326260080).

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

198233664 is a wasteful number, since it uses less digits than its factorization.

198233664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032482 (or 1032472 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 198233664 is about 14079.5477200086. The cubic root of 198233664 is about 583.0768551583.

The spelling of 198233664 in words is "one hundred ninety-eight million, two hundred thirty-three thousand, six hundred sixty-four".