171229164 has 24 divisors (see below), whose sum is σ = 400064448. Its totient is φ = 57000720.

The previous prime is 171229133. The next prime is 171229169. The reversal of 171229164 is 461922171.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (171229169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (16669352).

Almost surely, 2^171229164 is an apocalyptic number.

It is an amenable number.

171229164 is an abundant number, since it is smaller than the sum of its proper divisors (228835284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171229164 is a wasteful number, since it uses less digits than its factorization.

171229164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18925 (or 18923 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 171229164 is about 13085.4562014475. The cubic root of 171229164 is about 555.2977478722.

It can be divided in two parts, 1712 and 29164, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 171229164 in words is "one hundred seventy-one million, two hundred twenty-nine thousand, one hundred sixty-four".