194147168 has 24 divisors (see below), whose sum is σ = 402345720. Its totient is φ = 91964160.

The previous prime is 194147153. The next prime is 194147179. The reversal of 194147168 is 861741491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159053 + ... + 160268.

It is an arithmetic number, because the mean of its divisors is an integer number (16764405).

Almost surely, 2^194147168 is an apocalyptic number.

It is an amenable number.

194147168 is an abundant number, since it is smaller than the sum of its proper divisors (208198552).

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

194147168 is a wasteful number, since it uses less digits than its factorization.

194147168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319350 (or 319342 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 194147168 is about 13933.6702989557. The cubic root of 194147168 is about 579.0423833199.

The spelling of 194147168 in words is "one hundred ninety-four million, one hundred forty-seven thousand, one hundred sixty-eight".