159431328000 has 1728 divisors, whose sum is σ = 710326955520. Its totient is φ = 34836480000.

The previous prime is 159431327983. The next prime is 159431328019. The reversal of 159431328000 is 823134951.

159431328000 is a `hidden beast` number, since 1 + 594 + 31 + 32 + 8 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1578527950 + ... + 1578528050.

It is an arithmetic number, because the mean of its divisors is an integer number (411068840).

Almost surely, 2^159431328000 is an apocalyptic number.

159431328000 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 159431328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355163477760).

159431328000 is an abundant number, since it is smaller than the sum of its proper divisors (550895627520).

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

159431328000 is an equidigital number, since it uses as much as digits as its factorization.

159431328000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 159431328000 in words is "one hundred fifty-nine billion, four hundred thirty-one million, three hundred twenty-eight thousand".