16660560444984 has 192 divisors, whose sum is σ = 49392839845440. Its totient is φ = 5051895091200.

The previous prime is 16660560444971. The next prime is 16660560444989. The reversal of 16660560444984 is 48944406506661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660560444989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5620342 + ... + 8056634.

It is an arithmetic number, because the mean of its divisors is an integer number (257254374195).

Almost surely, 2^{16660560444984} 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 16660560444984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24696419922720).

16660560444984 is an abundant number, since it is smaller than the sum of its proper divisors (32732279400456).

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

16660560444984 is a wasteful number, since it uses less digits than its factorization.

16660560444984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436510 (or 2436503 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 63.

The spelling of 16660560444984 in words is "sixteen trillion, six hundred sixty billion, five hundred sixty million, four hundred forty-four thousand, nine hundred eighty-four".