171571882164 has 48 divisors (see below), whose sum is σ = 413288171520. Its totient is φ = 55340442720.

The previous prime is 171571882129. The next prime is 171571882211. The reversal of 171571882164 is 461288175171.

It is a congruent number.

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, 6162427 + ... + 6190205.

It is an arithmetic number, because the mean of its divisors is an integer number (8610170240).

Almost surely, 2^171571882164 is an apocalyptic number.

It is an amenable number.

171571882164 is an abundant number, since it is smaller than the sum of its proper divisors (241716289356).

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

171571882164 is a wasteful number, since it uses less digits than its factorization.

171571882164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44420 (or 44418 counting only the distinct ones).

The product of its digits is 752640, while the sum is 51.

The spelling of 171571882164 in words is "one hundred seventy-one billion, five hundred seventy-one million, eight hundred eighty-two thousand, one hundred sixty-four".