194253568 has 36 divisors (see below), whose sum is σ = 408166360. Its totient is φ = 92012544.

The previous prime is 194253559. The next prime is 194253583. The reversal of 194253568 is 865352491.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 15105 + ... + 24832.

Almost surely, 2^194253568 is an apocalyptic number.

It is an amenable number.

194253568 is an abundant number, since it is smaller than the sum of its proper divisors (213912792).

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

194253568 is an equidigital number, since it uses as much as digits as its factorization.

194253568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39972 (or 39958 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 194253568 is about 13937.4878654656. The cubic root of 194253568 is about 579.1481430532.

The spelling of 194253568 in words is "one hundred ninety-four million, two hundred fifty-three thousand, five hundred sixty-eight".