16616179984 has 80 divisors (see below), whose sum is σ = 36071619840. Its totient is φ = 7373864960.

The previous prime is 16616179949. The next prime is 16616179997. The reversal of 16616179984 is 48997161661.

16616179984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425472 + ... + 462880.

It is an arithmetic number, because the mean of its divisors is an integer number (450895248).

Almost surely, 2^16616179984 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 16616179984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18035809920).

16616179984 is an abundant number, since it is smaller than the sum of its proper divisors (19455439856).

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

16616179984 is a wasteful number, since it uses less digits than its factorization.

16616179984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37528 (or 37522 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The spelling of 16616179984 in words is "sixteen billion, six hundred sixteen million, one hundred seventy-nine thousand, nine hundred eighty-four".