159980544 has 66 divisors (see below), whose sum is σ = 461966960. Its totient is φ = 53323776.

The previous prime is 159980507. The next prime is 159980549. The reversal of 159980544 is 445089951.

159980544 is a `hidden beast` number, since 1 + 599 + 8 + 0 + 54 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 159980544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159980549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537 + ... + 17895.

Almost surely, 2^159980544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159980544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230983480).

159980544 is an abundant number, since it is smaller than the sum of its proper divisors (301986416).

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

159980544 is a wasteful number, since it uses less digits than its factorization.

159980544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385 (or 17364 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 159980544 is about 12648.3415513655. The cubic root of 159980544 is about 542.8615175482.

The spelling of 159980544 in words is "one hundred fifty-nine million, nine hundred eighty thousand, five hundred forty-four".