159641671 has 16 divisors (see below), whose sum is σ = 190232064. Its totient is φ = 131118624.

The previous prime is 159641653. The next prime is 159641707. The reversal of 159641671 is 176146951.

It is a de Polignac number, because none of the positive numbers 2^k-159641671 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 (159641621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10950 + ... + 20956.

It is an arithmetic number, because the mean of its divisors is an integer number (11889504).

Almost surely, 2^159641671 is an apocalyptic number.

159641671 is a deficient number, since it is larger than the sum of its proper divisors (30590393).

159641671 is a wasteful number, since it uses less digits than its factorization.

159641671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110.

The product of its digits is 45360, while the sum is 40.

The square root of 159641671 is about 12634.9385040055. The cubic root of 159641671 is about 542.4779476691.

The spelling of 159641671 in words is "one hundred fifty-nine million, six hundred forty-one thousand, six hundred seventy-one".