159891924 has 24 divisors (see below), whose sum is σ = 385116928. Its totient is φ = 51577920.

The previous prime is 159891917. The next prime is 159891943. The reversal of 159891924 is 429198951.

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 7 ways as a sum of consecutive naturals, for example, 214537 + ... + 215280.

Almost surely, 2^159891924 is an apocalyptic number.

It is an amenable number.

159891924 is an abundant number, since it is smaller than the sum of its proper divisors (225225004).

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

159891924 is a wasteful number, since it uses less digits than its factorization.

159891924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429855 (or 429853 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The square root of 159891924 is about 12644.8378400041. The cubic root of 159891924 is about 542.7612610372.

The spelling of 159891924 in words is "one hundred fifty-nine million, eight hundred ninety-one thousand, nine hundred twenty-four".