16118385423 has 32 divisors (see below), whose sum is σ = 26372459520. Its totient is φ = 8546603520.

The previous prime is 16118385403. The next prime is 16118385431. The reversal of 16118385423 is 32458381161.

It is a happy number.

16118385423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16118385423 - 2⁸ = 16118385167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118385403) 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 31 ways as a sum of consecutive naturals, for example, 292608 + ... + 343301.

It is an arithmetic number, because the mean of its divisors is an integer number (824139360).

Almost surely, 2^16118385423 is an apocalyptic number.

16118385423 is a deficient number, since it is larger than the sum of its proper divisors (10254074097).

16118385423 is a wasteful number, since it uses less digits than its factorization.

16118385423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636007.

The product of its digits is 138240, while the sum is 42.

The spelling of 16118385423 in words is "sixteen billion, one hundred eighteen million, three hundred eighty-five thousand, four hundred twenty-three".