16445512325 has 108 divisors (see below), whose sum is σ = 24077000640. Its totient is φ = 11127547200.

The previous prime is 16445512319. The next prime is 16445512361. The reversal of 16445512325 is 52321554461.

16445512325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-16445512325 is a prime.

Its product of digits (144000) is a multiple of the sum of its prime factors (360).

It is a congruent number.

It is an unprimeable number.

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 107 ways as a sum of consecutive naturals, for example, 68809556 + ... + 68809794.

Almost surely, 2^16445512325 is an apocalyptic number.

It is an amenable number.

16445512325 is a deficient number, since it is larger than the sum of its proper divisors (7631488315).

16445512325 is a wasteful number, since it uses less digits than its factorization.

16445512325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 321 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 16445512325 in words is "sixteen billion, four hundred forty-five million, five hundred twelve thousand, three hundred twenty-five".