159871320 has 480 divisors, whose sum is σ = 670388400. Its totient is φ = 33965568.

The previous prime is 159871307. The next prime is 159871331. The reversal of 159871320 is 23178951.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 119 ways as a sum of consecutive naturals, for example, 3016414 + ... + 3016466.

Almost surely, 2^159871320 is an apocalyptic number.

159871320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159871320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335194200).

159871320 is an abundant number, since it is smaller than the sum of its proper divisors (510517080).

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

159871320 is a wasteful number, since it uses less digits than its factorization.

159871320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 159871320 is about 12644.0230939365. The cubic root of 159871320 is about 542.7379462607.

The spelling of 159871320 in words is "one hundred fifty-nine million, eight hundred seventy-one thousand, three hundred twenty".