159516732468 has 72 divisors (see below), whose sum is σ = 396309158784. Its totient is φ = 49927884800.

The previous prime is 159516732437. The next prime is 159516732491. The reversal of 159516732468 is 864237615951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441348 + ... + 1548068.

It is an arithmetic number, because the mean of its divisors is an integer number (5504293872).

Almost surely, 2^159516732468 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 159516732468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198154579392).

159516732468 is an abundant number, since it is smaller than the sum of its proper divisors (236792426316).

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

159516732468 is a wasteful number, since it uses less digits than its factorization.

159516732468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107193 (or 107174 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 159516732468 in words is "one hundred fifty-nine billion, five hundred sixteen million, seven hundred thirty-two thousand, four hundred sixty-eight".