159996 has 24 divisors (see below), whose sum is σ = 380800. Its totient is φ = 52272.

The previous prime is 159979. The next prime is 160001. The reversal of 159996 is 699951.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 159996.

It is an unprimeable number.

159996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 903.

2¹⁵⁹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

159996 is an abundant number, since it is smaller than the sum of its proper divisors (220804).

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

159996 is a wasteful number, since it uses less digits than its factorization.

159996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its digits is 21870, while the sum is 39.

The square root of 159996 is about 399.9949999687. The cubic root of 159996 is about 54.2878999252.

It can be divided in two parts, 15 and 9996, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 159996 in words is "one hundred fifty-nine thousand, nine hundred ninety-six".