171326828150992 has 160 divisors (see below), whose sum is σ = 350729177610240. Its totient is φ = 80916648384000.

The previous prime is 171326828150963. The next prime is 171326828150993. The reversal of 171326828150992 is 299051828623171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171326828150993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9280464642 + ... + 9280483102.

It is an arithmetic number, because the mean of its divisors is an integer number (2192057360064).

Almost surely, 2^{171326828150992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171326828150992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175364588805120).

171326828150992 is an abundant number, since it is smaller than the sum of its proper divisors (179402349459248).

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

171326828150992 is a wasteful number, since it uses less digits than its factorization.

171326828150992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19553 (or 19547 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 171326828150992 in words is "one hundred seventy-one trillion, three hundred twenty-six billion, eight hundred twenty-eight million, one hundred fifty thousand, nine hundred ninety-two".