159639552 has 96 divisors (see below), whose sum is σ = 473054400. Its totient is φ = 53194752.

The previous prime is 159639533. The next prime is 159639587. The reversal of 159639552 is 255936951.

159639552 is a `hidden beast` number, since 1 + 5 + 9 + 639 + 5 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 159639498 and 159639507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53853 + ... + 56739.

It is an arithmetic number, because the mean of its divisors is an integer number (4927650).

Almost surely, 2^159639552 is an apocalyptic number.

159639552 is a gapful number since it is divisible by the number (12) 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 159639552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236527200).

159639552 is an abundant number, since it is smaller than the sum of its proper divisors (313414848).

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

159639552 is an equidigital number, since it uses as much as digits as its factorization.

159639552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2892 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The square root of 159639552 is about 12634.8546489463. The cubic root of 159639552 is about 542.4755474690.

The spelling of 159639552 in words is "one hundred fifty-nine million, six hundred thirty-nine thousand, five hundred fifty-two".