16587273472 has 144 divisors (see below), whose sum is σ = 42061203072. Its totient is φ = 6340239360.

The previous prime is 16587273431. The next prime is 16587273481. The reversal of 16587273472 is 27437278561.

16587273472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1036798 + ... + 1052674.

It is an arithmetic number, because the mean of its divisors is an integer number (292091688).

Almost surely, 2^16587273472 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 16587273472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21030601536).

16587273472 is an abundant number, since it is smaller than the sum of its proper divisors (25473929600).

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

16587273472 is a wasteful number, since it uses less digits than its factorization.

16587273472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15964 (or 15950 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 52.

The spelling of 16587273472 in words is "sixteen billion, five hundred eighty-seven million, two hundred seventy-three thousand, four hundred seventy-two".