196168159 has 16 divisors (see below), whose sum is σ = 217191456. Its totient is φ = 175696000.

The previous prime is 196168153. The next prime is 196168171. The reversal of 196168159 is 951861691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 196168159 - 2²⁵ = 162613727 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 (196168153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351909 + ... + 352465.

It is an arithmetic number, because the mean of its divisors is an integer number (13574466).

Almost surely, 2^196168159 is an apocalyptic number.

196168159 is a deficient number, since it is larger than the sum of its proper divisors (21023297).

196168159 is a wasteful number, since it uses less digits than its factorization.

196168159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its digits is 116640, while the sum is 46.

The square root of 196168159 is about 14006.0043909746. The cubic root of 196168159 is about 581.0446482515.

The spelling of 196168159 in words is "one hundred ninety-six million, one hundred sixty-eight thousand, one hundred fifty-nine".