171168745 has 32 divisors (see below), whose sum is σ = 229878144. Its totient is φ = 121305600.

The previous prime is 171168709. The next prime is 171168773. The reversal of 171168745 is 547861171.

It is not a de Polignac number, because 171168745 - 2⁹ = 171168233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171168698 and 171168707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546709 + ... + 547021.

It is an arithmetic number, because the mean of its divisors is an integer number (7183692).

Almost surely, 2^171168745 is an apocalyptic number.

It is an amenable number.

171168745 is a deficient number, since it is larger than the sum of its proper divisors (58709399).

171168745 is a wasteful number, since it uses less digits than its factorization.

171168745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 47040, while the sum is 40.

The square root of 171168745 is about 13083.1473659819. The cubic root of 171168745 is about 555.2324270652.

The spelling of 171168745 in words is "one hundred seventy-one million, one hundred sixty-eight thousand, seven hundred forty-five".