159917760 has 224 divisors, whose sum is σ = 573511680. Its totient is φ = 41942016.

The previous prime is 159917749. The next prime is 159917761. The reversal of 159917760 is 67719951.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (159917761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717009 + ... + 717231.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^159917760 is an apocalyptic number.

159917760 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 159917760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286755840).

159917760 is an abundant number, since it is smaller than the sum of its proper divisors (413593920).

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

159917760 is a wasteful number, since it uses less digits than its factorization.

159917760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The square root of 159917760 is about 12645.8594014009. The cubic root of 159917760 is about 542.7904933344.

The spelling of 159917760 in words is "one hundred fifty-nine million, nine hundred seventeen thousand, seven hundred sixty".