171668452 has 24 divisors (see below), whose sum is σ = 313144832. Its totient is φ = 82252800.

The previous prime is 171668447. The next prime is 171668459. The reversal of 171668452 is 254866171.

It is not an unprimeable number, because it can be changed into a prime (171668459) 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, 6052 + ... + 19492.

Almost surely, 2^171668452 is an apocalyptic number.

It is an amenable number.

171668452 is a deficient number, since it is larger than the sum of its proper divisors (141476380).

171668452 is a wasteful number, since it uses less digits than its factorization.

171668452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579 (or 13577 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 171668452 is about 13102.2308024244. The cubic root of 171668452 is about 555.7722140258.

The spelling of 171668452 in words is "one hundred seventy-one million, six hundred sixty-eight thousand, four hundred fifty-two".