159028321872 has 80 divisors (see below), whose sum is σ = 489925785600. Its totient is φ = 43461154176.

The previous prime is 159028321871. The next prime is 159028321883. The reversal of 159028321872 is 278123820951.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159028321871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10281372 + ... + 10296827.

It is an arithmetic number, because the mean of its divisors is an integer number (6124072320).

Almost surely, 2^159028321872 is an apocalyptic number.

159028321872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159028321872 is an abundant number, since it is smaller than the sum of its proper divisors (330897463728).

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

159028321872 is a wasteful number, since it uses less digits than its factorization.

159028321872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20578240 (or 20578234 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 159028321872 in words is "one hundred fifty-nine billion, twenty-eight million, three hundred twenty-one thousand, eight hundred seventy-two".