16304616025 has 24 divisors (see below), whose sum is σ = 20492367224. Its totient is φ = 12867379200.

The previous prime is 16304616019. The next prime is 16304616047. The reversal of 16304616025 is 52061640361.

It can be written as a sum of positive squares in 12 ways, for example, as 8334411849 + 7970204176 = 91293^2 + 89276^2 .

It is not a de Polignac number, because 16304616025 - 2¹¹ = 16304613977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 748285 + ... + 769765.

Almost surely, 2^16304616025 is an apocalyptic number.

It is an amenable number.

16304616025 is a deficient number, since it is larger than the sum of its proper divisors (4187751199).

16304616025 is a wasteful number, since it uses less digits than its factorization.

16304616025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21901 (or 21896 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16304616025 in words is "sixteen billion, three hundred four million, six hundred sixteen thousand, twenty-five".