16073443525 has 6 divisors (see below), whose sum is σ = 19931070002. Its totient is φ = 12858754800.

The previous prime is 16073443523. The next prime is 16073443537. The reversal of 16073443525 is 52534437061.

It is a happy number.

16073443525 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 15992001 + 16057451524 = 3999^2 + 126718^2 .

It is not a de Polignac number, because 16073443525 - 2¹ = 16073443523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16073443523) 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, 321468846 + ... + 321468895.

Almost surely, 2^16073443525 is an apocalyptic number.

It is an amenable number.

16073443525 is a deficient number, since it is larger than the sum of its proper divisors (3857626477).

16073443525 is an equidigital number, since it uses as much as digits as its factorization.

16073443525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642937751 (or 642937746 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 16073443525 in words is "sixteen billion, seventy-three million, four hundred forty-three thousand, five hundred twenty-five".