16655328765504 has 1120 divisors, whose sum is σ = 61425857539200. Its totient is φ = 4413000683520.

The previous prime is 16655328765487. The next prime is 16655328765529. The reversal of 16655328765504 is 40556782355661.

16655328765504 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 5 + 3 + 2 + 8 + 76 + 550 + 4 = 666.

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 2380349334 + ... + 2380356330.

It is an arithmetic number, because the mean of its divisors is an integer number (54844515660).

Almost surely, 2^{16655328765504} 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 16655328765504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30712928769600).

16655328765504 is an abundant number, since it is smaller than the sum of its proper divisors (44770528773696).

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

16655328765504 is a wasteful number, since it uses less digits than its factorization.

16655328765504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090 (or 7045 counting only the distinct ones).

The product of its (nonzero) digits is 181440000, while the sum is 63.

The spelling of 16655328765504 in words is "sixteen trillion, six hundred fifty-five billion, three hundred twenty-eight million, seven hundred sixty-five thousand, five hundred four".