16599111984 has 480 divisors, whose sum is σ = 60982346880. Its totient is φ = 4090134528.

The previous prime is 16599111941. The next prime is 16599111989. The reversal of 16599111984 is 48911199561.

16599111984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16599111984.

It is not an unprimeable number, because it can be changed into a prime (16599111989) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 59924454 + ... + 59924730.

It is an arithmetic number, because the mean of its divisors is an integer number (127046556).

Almost surely, 2^16599111984 is an apocalyptic number.

16599111984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16599111984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30491173440).

16599111984 is an abundant number, since it is smaller than the sum of its proper divisors (44383234896).

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

16599111984 is a wasteful number, since it uses less digits than its factorization.

16599111984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 588 counting only the distinct ones).

The product of its digits is 699840, while the sum is 54.

The spelling of 16599111984 in words is "sixteen billion, five hundred ninety-nine million, one hundred eleven thousand, nine hundred eighty-four".