159338320 has 20 divisors (see below), whose sum is σ = 370461780. Its totient is φ = 63735296.

The previous prime is 159338303. The next prime is 159338321. The reversal of 159338320 is 23833951.

It can be written as a sum of positive squares in 2 ways, for example, as 87834384 + 71503936 = 9372^2 + 8456^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159338321) 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, 995785 + ... + 995944.

It is an arithmetic number, because the mean of its divisors is an integer number (18523089).

Almost surely, 2^159338320 is an apocalyptic number.

159338320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159338320 is an abundant number, since it is smaller than the sum of its proper divisors (211123460).

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

159338320 is a wasteful number, since it uses less digits than its factorization.

159338320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991742 (or 1991736 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 159338320 is about 12622.9283448810. The cubic root of 159338320 is about 542.1341243843.

The spelling of 159338320 in words is "one hundred fifty-nine million, three hundred thirty-eight thousand, three hundred twenty".