198256167 has 12 divisors (see below), whose sum is σ = 296976680. Its totient is φ = 132170616.

The previous prime is 198256147. The next prime is 198256183. The reversal of 198256167 is 761652891.

198256167 is a `hidden beast` number, since 1 + 9 + 8 + 25 + 616 + 7 = 666.

198256167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198256167 - 2⁶ = 198256103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198256147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407692 + ... + 408177.

Almost surely, 2^198256167 is an apocalyptic number.

198256167 is a deficient number, since it is larger than the sum of its proper divisors (98720513).

198256167 is an frugal number, since it uses more digits than its factorization.

198256167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815884 (or 815872 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 198256167 is about 14080.3468352168. The cubic root of 198256167 is about 583.0989174757.

The spelling of 198256167 in words is "one hundred ninety-eight million, two hundred fifty-six thousand, one hundred sixty-seven".