159159159 has 12 divisors (see below), whose sum is σ = 234234936. Its totient is φ = 104103792.

The previous prime is 159159157. The next prime is 159159179. The reversal of 159159159 is 951951951.

159159159 is a `hidden beast` number, since 1 + 5 + 9 + 1 + 591 + 59 = 666.

It is not a de Polignac number, because 159159159 - 2¹ = 159159157 is a prime.

159159159 is a modest number, since divided by 159159 gives 159 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159159157) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166357 + ... + 167310.

It is an arithmetic number, because the mean of its divisors is an integer number (19519578).

Almost surely, 2^159159159 is an apocalyptic number.

159159159 is a deficient number, since it is larger than the sum of its proper divisors (75075777).

159159159 is a wasteful number, since it uses less digits than its factorization.

159159159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333726 (or 333723 counting only the distinct ones).

The product of its digits is 91125, while the sum is 45.

The square root of 159159159 is about 12615.8296992310. The cubic root of 159159159 is about 541.9308551835.

The spelling of 159159159 in words is "one hundred fifty-nine million, one hundred fifty-nine thousand, one hundred fifty-nine".