171144164 has 12 divisors (see below), whose sum is σ = 301789488. Its totient is φ = 84918600.

The previous prime is 171144161. The next prime is 171144187. The reversal of 171144164 is 461441171.

It is not an unprimeable number, because it can be changed into a prime (171144161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162782 + ... + 163829.

It is an arithmetic number, because the mean of its divisors is an integer number (25149124).

Almost surely, 2^171144164 is an apocalyptic number.

It is an amenable number.

171144164 is a deficient number, since it is larger than the sum of its proper divisors (130645324).

171144164 is a wasteful number, since it uses less digits than its factorization.

171144164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326746 (or 326744 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 171144164 is about 13082.2079176261. The cubic root of 171144164 is about 555.2058474041.

The spelling of 171144164 in words is "one hundred seventy-one million, one hundred forty-four thousand, one hundred sixty-four".