17930328355072 has 144 divisors (see below), whose sum is σ = 42141633327360. Its totient is φ = 7453144571904.

The previous prime is 17930328355067. The next prime is 17930328355081. The reversal of 17930328355072 is 27055382303971.

It is a happy 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, 20591829 + ... + 21444907.

It is an arithmetic number, because the mean of its divisors is an integer number (292650231440).

Almost surely, 2^{17930328355072} 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 17930328355072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21070816663680).

17930328355072 is an abundant number, since it is smaller than the sum of its proper divisors (24211304972288).

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

17930328355072 is an equidigital number, since it uses as much as digits as its factorization.

17930328355072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853456 (or 853442 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 17930328355072 in words is "seventeen trillion, nine hundred thirty billion, three hundred twenty-eight million, three hundred fifty-five thousand, seventy-two".