159173337216 has 128 divisors (see below), whose sum is σ = 445476268800. Its totient is φ = 50217919488.

The previous prime is 159173337179. The next prime is 159173337221. The reversal of 159173337216 is 612733371951.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8183695 + ... + 8203121.

It is an arithmetic number, because the mean of its divisors is an integer number (3480283350).

Almost surely, 2^159173337216 is an apocalyptic number.

159173337216 is a gapful number since it is divisible by the number (16) 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 159173337216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222738134400).

159173337216 is an abundant number, since it is smaller than the sum of its proper divisors (286302931584).

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

159173337216 is a wasteful number, since it uses less digits than its factorization.

159173337216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20586 (or 20574 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The spelling of 159173337216 in words is "one hundred fifty-nine billion, one hundred seventy-three million, three hundred thirty-seven thousand, two hundred sixteen".