159716671 has 4 divisors (see below), whose sum is σ = 159875352. Its totient is φ = 159557992.

The previous prime is 159716657. The next prime is 159716693. The reversal of 159716671 is 176617951.

159716671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159716671 - 2⁵ = 159716639 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 (159716621) 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, 77821 + ... + 79846.

It is an arithmetic number, because the mean of its divisors is an integer number (39968838).

Almost surely, 2^159716671 is an apocalyptic number.

159716671 is a deficient number, since it is larger than the sum of its proper divisors (158681).

159716671 is a wasteful number, since it uses less digits than its factorization.

159716671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158680.

The product of its digits is 79380, while the sum is 43.

The square root of 159716671 is about 12637.9061161254. The cubic root of 159716671 is about 542.5628868040.

The spelling of 159716671 in words is "one hundred fifty-nine million, seven hundred sixteen thousand, six hundred seventy-one".