159616 has 32 divisors (see below), whose sum is σ = 336600. Its totient is φ = 75264.

The previous prime is 159589. The next prime is 159617. The reversal of 159616 is 616951.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159617) 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, 3691 + ... + 3733.

2¹⁵⁹⁶¹⁶ is an apocalyptic number.

159616 is a gapful number since it is divisible by the number (16) 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 159616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168300).

159616 is an abundant number, since it is smaller than the sum of its proper divisors (176984).

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

159616 is an equidigital number, since it uses as much as digits as its factorization.

159616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 74 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 159616 is about 399.5197116539. The cubic root of 159616 is about 54.2448868591.

The spelling of 159616 in words is "one hundred fifty-nine thousand, six hundred sixteen".