198218676 has 12 divisors (see below), whose sum is σ = 462510272. Its totient is φ = 66072888.

The previous prime is 198218651. The next prime is 198218689. The reversal of 198218676 is 676812891.

198218676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8259100 + ... + 8259123.

Almost surely, 2^198218676 is an apocalyptic number.

It is an amenable number.

198218676 is an abundant number, since it is smaller than the sum of its proper divisors (264291596).

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

198218676 is a wasteful number, since it uses less digits than its factorization.

198218676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518230 (or 16518228 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 198218676 is about 14079.0154485319. The cubic root of 198218676 is about 583.0621597462.

The spelling of 198218676 in words is "one hundred ninety-eight million, two hundred eighteen thousand, six hundred seventy-six".