16544454104 has 32 divisors (see below), whose sum is σ = 31336032000. Its totient is φ = 8188251552.

The previous prime is 16544454089. The next prime is 16544454107. The reversal of 16544454104 is 40145444561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16544454107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474077 + ... + 3478835.

It is an arithmetic number, because the mean of its divisors is an integer number (979251000).

Almost surely, 2^16544454104 is an apocalyptic number.

It is an amenable number.

16544454104 is a deficient number, since it is larger than the sum of its proper divisors (14791577896).

16544454104 is a wasteful number, since it uses less digits than its factorization.

16544454104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087 (or 9083 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 16544454104 its reverse (40145444561), we get a palindrome (56689898665).

The spelling of 16544454104 in words is "sixteen billion, five hundred forty-four million, four hundred fifty-four thousand, one hundred four".