159864120 has 96 divisors (see below), whose sum is σ = 559540800. Its totient is φ = 39350016.

The previous prime is 159864109. The next prime is 159864127. The reversal of 159864120 is 21468951.

159864120 is a `hidden beast` number, since 1 + 5 + 9 + 8 + 641 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159864127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12400 + ... + 21759.

It is an arithmetic number, because the mean of its divisors is an integer number (5828550).

Almost surely, 2^159864120 is an apocalyptic number.

159864120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159864120 is an abundant number, since it is smaller than the sum of its proper divisors (399676680).

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

159864120 is a wasteful number, since it uses less digits than its factorization.

159864120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34189 (or 34182 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 159864120 is about 12643.7383712255. The cubic root of 159864120 is about 542.7297985164.

The spelling of 159864120 in words is "one hundred fifty-nine million, eight hundred sixty-four thousand, one hundred twenty".