171382117 has 8 divisors (see below), whose sum is σ = 183130200. Its totient is φ = 159819264.

The previous prime is 171382111. The next prime is 171382129. The reversal of 171382117 is 711283171.

171382117 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 4 ways, for example, as 79816356 + 91565761 = 8934^2 + 9569^2 .

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 171382117 - 2⁷ = 171381989 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 (171382111) 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, 44392 + ... + 48097.

It is an arithmetic number, because the mean of its divisors is an integer number (22891275).

Almost surely, 2^171382117 is an apocalyptic number.

171382117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

171382117 is a deficient number, since it is larger than the sum of its proper divisors (11748083).

171382117 is a wasteful number, since it uses less digits than its factorization.

171382117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92615.

The product of its digits is 2352, while the sum is 31.

The square root of 171382117 is about 13091.2992861671. The cubic root of 171382117 is about 555.4630413252.

The spelling of 171382117 in words is "one hundred seventy-one million, three hundred eighty-two thousand, one hundred seventeen".