16725325664 has 24 divisors (see below), whose sum is σ = 33486090120. Its totient is φ = 8220921856.

The previous prime is 16725325663. The next prime is 16725325667. The reversal of 16725325664 is 46652352761.

16725325664 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 not an unprimeable number, because it can be changed into a prime (16725325663) 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 3 ways as a sum of consecutive naturals, for example, 4427489 + ... + 4431264.

It is an arithmetic number, because the mean of its divisors is an integer number (1395253755).

Almost surely, 2^16725325664 is an apocalyptic number.

It is an amenable number.

16725325664 is an abundant number, since it is smaller than the sum of its proper divisors (16760764456).

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

16725325664 is an equidigital number, since it uses as much as digits as its factorization.

16725325664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858822 (or 8858814 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The spelling of 16725325664 in words is "sixteen billion, seven hundred twenty-five million, three hundred twenty-five thousand, six hundred sixty-four".