171968361 has 8 divisors (see below), whose sum is σ = 229401120. Its totient is φ = 114590592.

The previous prime is 171968353. The next prime is 171968429. The reversal of 171968361 is 163869171.

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

It is not a de Polignac number, because 171968361 - 2³ = 171968353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171968351) 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, 5791 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (28675140).

Almost surely, 2^171968361 is an apocalyptic number.

It is an amenable number.

171968361 is a deficient number, since it is larger than the sum of its proper divisors (57432759).

171968361 is a wasteful number, since it uses less digits than its factorization.

171968361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27495.

The product of its digits is 54432, while the sum is 42.

The square root of 171968361 is about 13113.6707675616. The cubic root of 171968361 is about 556.0956749680.

The spelling of 171968361 in words is "one hundred seventy-one million, nine hundred sixty-eight thousand, three hundred sixty-one".