16325824225 has 6 divisors (see below), whose sum is σ = 20244022070. Its totient is φ = 13060659360.

The previous prime is 16325824223. The next prime is 16325824297. The reversal of 16325824225 is 52242852361.

It is a happy number.

16325824225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3453560289 + 12872263936 = 58767^2 + 113456^2 .

It is not a de Polignac number, because 16325824225 - 2¹ = 16325824223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16325824223) 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 5 ways as a sum of consecutive naturals, for example, 326516460 + ... + 326516509.

Almost surely, 2^16325824225 is an apocalyptic number.

It is an amenable number.

16325824225 is a deficient number, since it is larger than the sum of its proper divisors (3918197845).

16325824225 is an equidigital number, since it uses as much as digits as its factorization.

16325824225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653032979 (or 653032974 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 16325824225 in words is "sixteen billion, three hundred twenty-five million, eight hundred twenty-four thousand, two hundred twenty-five".