171229198164 has 24 divisors (see below), whose sum is σ = 407073189600. Its totient is φ = 55999485984.

The previous prime is 171229198079. The next prime is 171229198169. The reversal of 171229198164 is 461891922171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171229198169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134613514 + ... + 134614785.

It is an arithmetic number, because the mean of its divisors is an integer number (16961382900).

Almost surely, 2^171229198164 is an apocalyptic number.

It is an amenable number.

171229198164 is an abundant number, since it is smaller than the sum of its proper divisors (235843991436).

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

171229198164 is a wasteful number, since it uses less digits than its factorization.

171229198164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269228359 (or 269228357 counting only the distinct ones).

The product of its digits is 435456, while the sum is 51.

The spelling of 171229198164 in words is "one hundred seventy-one billion, two hundred twenty-nine million, one hundred ninety-eight thousand, one hundred sixty-four".