159964 has 24 divisors (see below), whose sum is σ = 332640. Its totient is φ = 65856.

The previous prime is 159937. The next prime is 159977. The reversal of 159964 is 469951.

159964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (13860).

2¹⁵⁹⁹⁶⁴ is an apocalyptic number.

159964 is a gapful number since it is divisible by the number (14) 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 159964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166320).

159964 is an abundant number, since it is smaller than the sum of its proper divisors (172676).

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

159964 is a wasteful number, since it uses less digits than its factorization.

159964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 159964 is about 399.9549974685. The cubic root of 159964 is about 54.2842804001.

The spelling of 159964 in words is "one hundred fifty-nine thousand, nine hundred sixty-four".