159361920 has 192 divisors, whose sum is σ = 559306800. Its totient is φ = 41803776.

The previous prime is 159361903. The next prime is 159361933. The reversal of 159361920 is 29163951.

159361920 is a `hidden beast` number, since 1 + 593 + 61 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420291 + ... + 420669.

Almost surely, 2^159361920 is an apocalyptic number.

159361920 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 159361920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279653400).

159361920 is an abundant number, since it is smaller than the sum of its proper divisors (399944880).

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

159361920 is a wasteful number, since it uses less digits than its factorization.

159361920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 159361920 is about 12623.8631171286. The cubic root of 159361920 is about 542.1608886800.

The spelling of 159361920 in words is "one hundred fifty-nine million, three hundred sixty-one thousand, nine hundred twenty".