16544454093 has 32 divisors (see below), whose sum is σ = 26457926400. Its totient is φ = 10186279488.

The previous prime is 16544454089. The next prime is 16544454107. The reversal of 16544454093 is 39045444561.

16544454093 is a `hidden beast` number, since 1 + 65 + 4 + 44 + 540 + 9 + 3 = 666.

16544454093 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 16544454093 - 2² = 16544454089 is a prime.

It is a super-2 number, since 2×16544454093² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16544454013) 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, 441330 + ... + 477347.

It is an arithmetic number, because the mean of its divisors is an integer number (826810200).

Almost surely, 2^16544454093 is an apocalyptic number.

It is an amenable number.

16544454093 is a deficient number, since it is larger than the sum of its proper divisors (9913472307).

16544454093 is a wasteful number, since it uses less digits than its factorization.

16544454093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918738 (or 918732 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 16544454093 in words is "sixteen billion, five hundred forty-four million, four hundred fifty-four thousand, ninety-three".