159867 has 16 divisors (see below), whose sum is σ = 245760. Its totient is φ = 102600.

The previous prime is 159857. The next prime is 159869. The reversal of 159867 is 768951.

159867 is a `hidden beast` number, since 1 + 598 + 67 = 666.

It is not a de Polignac number, because 159867 - 2⁷ = 159739 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 742 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (15360).

2¹⁵⁹⁸⁶⁷ is an apocalyptic number.

159867 is a deficient number, since it is larger than the sum of its proper divisors (85893).

159867 is a wasteful number, since it uses less digits than its factorization.

159867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 159867 is about 399.8337154368. The cubic root of 159867 is about 54.2733057643.

The spelling of 159867 in words is "one hundred fifty-nine thousand, eight hundred sixty-seven".