159620 has 24 divisors (see below), whose sum is σ = 350784. Its totient is φ = 60896.

The previous prime is 159617. The next prime is 159623. The reversal of 159620 is 26951.

159620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (159617) and next prime (159623).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (159623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 633.

It is an arithmetic number, because the mean of its divisors is an integer number (14616).

2¹⁵⁹⁶²⁰ is an apocalyptic number.

159620 is a gapful number since it is divisible by the number (10) 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 159620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175392).

159620 is an abundant number, since it is smaller than the sum of its proper divisors (191164).

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

159620 is a wasteful number, since it uses less digits than its factorization.

159620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 159620 is about 399.5247176333. The cubic root of 159620 is about 54.2453399835.

The spelling of 159620 in words is "one hundred fifty-nine thousand, six hundred twenty".