159975516 has 48 divisors (see below), whose sum is σ = 396869760. Its totient is φ = 50011200.

The previous prime is 159975509. The next prime is 159975527. The reversal of 159975516 is 615579951.

It is a congruent number.

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, 19555 + ... + 26501.

It is an arithmetic number, because the mean of its divisors is an integer number (8268120).

Almost surely, 2^159975516 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 159975516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198434880).

159975516 is an abundant number, since it is smaller than the sum of its proper divisors (236894244).

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

159975516 is a wasteful number, since it uses less digits than its factorization.

159975516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074 (or 7072 counting only the distinct ones).

The product of its digits is 425250, while the sum is 48.

The square root of 159975516 is about 12648.1427885678. The cubic root of 159975516 is about 542.8558303226.

The spelling of 159975516 in words is "one hundred fifty-nine million, nine hundred seventy-five thousand, five hundred sixteen".