173242903680 has 3072 divisors, whose sum is σ = 877670277120. Its totient is φ = 31531991040.

The previous prime is 173242903667. The next prime is 173242903681. The reversal of 173242903680 is 86309242371.

173242903680 is a `hidden beast` number, since 1 + 7 + 324 + 290 + 36 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (173242903681) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4682240622 + ... + 4682240658.

It is an arithmetic number, because the mean of its divisors is an integer number (285699960).

Almost surely, 2^173242903680 is an apocalyptic number.

173242903680 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 173242903680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438835138560).

173242903680 is an abundant number, since it is smaller than the sum of its proper divisors (704427373440).

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

173242903680 is a wasteful number, since it uses less digits than its factorization.

173242903680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 173242903680 in words is "one hundred seventy-three billion, two hundred forty-two million, nine hundred three thousand, six hundred eighty".