159171667 has 8 divisors (see below), whose sum is σ = 163257120. Its totient is φ = 155126400.

The previous prime is 159171659. The next prime is 159171703. The reversal of 159171667 is 766171951.

159171667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159171667 - 2³ = 159171659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159171647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 17947.

It is an arithmetic number, because the mean of its divisors is an integer number (20407140).

Almost surely, 2^159171667 is an apocalyptic number.

159171667 is a deficient number, since it is larger than the sum of its proper divisors (4085453).

159171667 is a wasteful number, since it uses less digits than its factorization.

159171667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20093.

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

The square root of 159171667 is about 12616.3254159046. The cubic root of 159171667 is about 541.9450512324.

The spelling of 159171667 in words is "one hundred fifty-nine million, one hundred seventy-one thousand, six hundred sixty-seven".