159585671 has 4 divisors (see below), whose sum is σ = 182383632. Its totient is φ = 136787712.

The previous prime is 159585649. The next prime is 159585721. The reversal of 159585671 is 176585951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176585951 = 31 ⋅5696321.

It is a cyclic number.

It is not a de Polignac number, because 159585671 - 2¹⁰ = 159584647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159585611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11398970 + ... + 11398983.

It is an arithmetic number, because the mean of its divisors is an integer number (45595908).

Almost surely, 2^159585671 is an apocalyptic number.

159585671 is a deficient number, since it is larger than the sum of its proper divisors (22797961).

159585671 is an equidigital number, since it uses as much as digits as its factorization.

159585671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22797960.

The product of its digits is 378000, while the sum is 47.

The square root of 159585671 is about 12632.7222323615. The cubic root of 159585671 is about 542.4145090992.

The spelling of 159585671 in words is "one hundred fifty-nine million, five hundred eighty-five thousand, six hundred seventy-one".