159951 has 16 divisors (see below), whose sum is σ = 240768. Its totient is φ = 93600.

The previous prime is 159937. The next prime is 159977.

159951 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 159951 - 2¹⁰ = 158927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159911) 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, 1156 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (15048).

2¹⁵⁹⁹⁵¹ is an apocalyptic number.

159951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159951 is a deficient number, since it is larger than the sum of its proper divisors (80817).

159951 is a wasteful number, since it uses less digits than its factorization.

159951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its digits is 2025, while the sum is 30.

The square root of 159951 is about 399.9387453098. The cubic root of 159951 is about 54.2828098301.

The spelling of 159951 in words is "one hundred fifty-nine thousand, nine hundred fifty-one".