16547373056 has 56 divisors (see below), whose sum is σ = 33169677120. Its totient is φ = 8254455808.

The previous prime is 16547373043. The next prime is 16547373067. The reversal of 16547373056 is 65037374561.

It is a self number, because there is not a number n which added to its sum of digits gives 16547373056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3921860 + ... + 3926076.

Almost surely, 2^16547373056 is an apocalyptic number.

16547373056 is a gapful number since it is divisible by the number (16) 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 16547373056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16584838560).

16547373056 is an abundant number, since it is smaller than the sum of its proper divisors (16622304064).

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

16547373056 is an frugal number, since it uses more digits than its factorization.

16547373056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 16547373056 in words is "sixteen billion, five hundred forty-seven million, three hundred seventy-three thousand, fifty-six".