194231169 has 16 divisors (see below), whose sum is σ = 313909440. Its totient is φ = 117715680.

The previous prime is 194231153. The next prime is 194231203. The reversal of 194231169 is 961132491.

It is a happy number.

It is not a de Polignac number, because 194231169 - 2⁴ = 194231153 is a prime.

It is a super-2 number, since 2×194231169² = 75451494022213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194231269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326692 + ... + 327285.

It is an arithmetic number, because the mean of its divisors is an integer number (19619340).

Almost surely, 2^194231169 is an apocalyptic number.

It is an amenable number.

194231169 is a deficient number, since it is larger than the sum of its proper divisors (119678271).

194231169 is a wasteful number, since it uses less digits than its factorization.

194231169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653997 (or 653991 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 194231169 is about 13936.6842900311. The cubic root of 194231169 is about 579.1258820500.

The spelling of 194231169 in words is "one hundred ninety-four million, two hundred thirty-one thousand, one hundred sixty-nine".