171057159 has 48 divisors (see below), whose sum is σ = 305503744. Its totient is φ = 89812800.

The previous prime is 171057157. The next prime is 171057181. The reversal of 171057159 is 951750171.

It is not a de Polignac number, because 171057159 - 2¹ = 171057157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171057157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270774 + ... + 271404.

Almost surely, 2^171057159 is an apocalyptic number.

171057159 is a deficient number, since it is larger than the sum of its proper divisors (134446585).

171057159 is a wasteful number, since it uses less digits than its factorization.

171057159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 36.

The square root of 171057159 is about 13078.8821770058. The cubic root of 171057159 is about 555.1117476470. Note that the first 3 decimals are identical.

The spelling of 171057159 in words is "one hundred seventy-one million, fifty-seven thousand, one hundred fifty-nine".