171340173 has 6 divisors (see below), whose sum is σ = 247491374. Its totient is φ = 114226776.

The previous prime is 171340129. The next prime is 171340187. The reversal of 171340173 is 371043171.

171340173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 77211369 = 9702^2 + 8787^2 .

It is not a de Polignac number, because 171340173 - 2¹⁶ = 171274637 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 (171340123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9518890 + ... + 9518907.

Almost surely, 2^171340173 is an apocalyptic number.

It is an amenable number.

171340173 is a deficient number, since it is larger than the sum of its proper divisors (76151201).

171340173 is a wasteful number, since it uses less digits than its factorization.

171340173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19037803 (or 19037800 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 171340173 is about 13089.6972081099. The cubic root of 171340173 is about 555.4177230171.

The spelling of 171340173 in words is "one hundred seventy-one million, three hundred forty thousand, one hundred seventy-three".