16660573829328 has 320 divisors, whose sum is σ = 51245940049920. Its totient is φ = 4597800192000.

The previous prime is 16660573829321. The next prime is 16660573829351. The reversal of 16660573829328 is 82392837506661.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660573829321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196151253 + ... + 196236171.

It is an arithmetic number, because the mean of its divisors is an integer number (160143562656).

Almost surely, 2^{16660573829328} 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 16660573829328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25622970024960).

16660573829328 is an abundant number, since it is smaller than the sum of its proper divisors (34585366220592).

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

16660573829328 is a wasteful number, since it uses less digits than its factorization.

16660573829328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85338 (or 85332 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 16660573829328 in words is "sixteen trillion, six hundred sixty billion, five hundred seventy-three million, eight hundred twenty-nine thousand, three hundred twenty-eight".