171208164 has 48 divisors (see below), whose sum is σ = 434094080. Its totient is φ = 52319520.

The previous prime is 171208157. The next prime is 171208171. The reversal of 171208164 is 461802171.

171208164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (171208157) and next prime (171208171).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5044 + ... + 19179.

Almost surely, 2^171208164 is an apocalyptic number.

It is an amenable number.

171208164 is an abundant number, since it is smaller than the sum of its proper divisors (262885916).

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

171208164 is a wasteful number, since it uses less digits than its factorization.

171208164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24280 (or 24278 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 171208164 is about 13084.6537592708. The cubic root of 171208164 is about 555.2750458800.

It can be divided in two parts, 171 and 208164, that added together give a triangular number (208335 = T₆₄₅).

The spelling of 171208164 in words is "one hundred seventy-one million, two hundred eight thousand, one hundred sixty-four".