159864 has 16 divisors (see below), whose sum is σ = 399720. Its totient is φ = 53280.

The previous prime is 159857. The next prime is 159869. The reversal of 159864 is 468951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3307 + ... + 3354.

2¹⁵⁹⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

159864 is an abundant number, since it is smaller than the sum of its proper divisors (239856).

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

159864 is a wasteful number, since it uses less digits than its factorization.

159864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670 (or 6666 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 159864 is about 399.8299638596. The cubic root of 159864 is about 54.2729662719.

The spelling of 159864 in words is "one hundred fifty-nine thousand, eight hundred sixty-four".