171328896000 has 264 divisors, whose sum is σ = 617400320784. Its totient is φ = 45687398400.

The previous prime is 171328895953. The next prime is 171328896007. The reversal of 171328896000 is 698823171.

171328896000 is a `hidden beast` number, since 1 + 7 + 1 + 32 + 8 + 8 + 9 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171328896007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1077639 + ... + 1226361.

Almost surely, 2^171328896000 is an apocalyptic number.

171328896000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171328896000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308700160392).

171328896000 is an abundant number, since it is smaller than the sum of its proper divisors (446071424784).

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

171328896000 is a wasteful number, since it uses less digits than its factorization.

171328896000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148764 (or 148733 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 171328896000 in words is "one hundred seventy-one billion, three hundred twenty-eight million, eight hundred ninety-six thousand".