171170009 has 8 divisors (see below), whose sum is σ = 172288512. Its totient is φ = 170055360.

The previous prime is 171169981. The next prime is 171170017. The reversal of 171170009 is 900071171.

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 171170009 - 2¹² = 171165913 is a prime.

It is a super-4 number, since 4×171170009⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171170009.

It is not an unprimeable number, because it can be changed into a prime (171170089) 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, 197912 + ... + 198774.

It is an arithmetic number, because the mean of its divisors is an integer number (21536064).

Almost surely, 2^171170009 is an apocalyptic number.

It is an amenable number.

171170009 is a deficient number, since it is larger than the sum of its proper divisors (1118503).

171170009 is an equidigital number, since it uses as much as digits as its factorization.

171170009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 171170009 is about 13083.1956723119. The cubic root of 171170009 is about 555.2337937712.

The spelling of 171170009 in words is "one hundred seventy-one million, one hundred seventy thousand, nine".