16306621442 has 8 divisors (see below), whose sum is σ = 25898751756. Its totient is φ = 7673704192.

The previous prime is 16306621399. The next prime is 16306621451. The reversal of 16306621442 is 24412660361.

16306621442 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 2 ways, for example, as 15936790081 + 369831361 = 126241^2 + 19231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 239803223 + ... + 239803290.

Almost surely, 2^16306621442 is an apocalyptic number.

16306621442 is a deficient number, since it is larger than the sum of its proper divisors (9592130314).

16306621442 is a wasteful number, since it uses less digits than its factorization.

16306621442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479606532.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 16306621442 in words is "sixteen billion, three hundred six million, six hundred twenty-one thousand, four hundred forty-two".