16224480325 has 6 divisors (see below), whose sum is σ = 20118355634. Its totient is φ = 12979584240.

The previous prime is 16224480263. The next prime is 16224480407. The reversal of 16224480325 is 52308442261.

It can be written as a sum of positive squares in 3 ways, for example, as 3673087236 + 12551393089 = 60606^2 + 112033^2 .

It is not a de Polignac number, because 16224480325 - 2⁷ = 16224480197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324489582 + ... + 324489631.

Almost surely, 2^16224480325 is an apocalyptic number.

It is an amenable number.

16224480325 is a deficient number, since it is larger than the sum of its proper divisors (3893875309).

16224480325 is an equidigital number, since it uses as much as digits as its factorization.

16224480325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648979223 (or 648979218 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 16224480325 in words is "sixteen billion, two hundred twenty-four million, four hundred eighty thousand, three hundred twenty-five".