16504254066323 has 4 divisors (see below), whose sum is σ = 16506540297960. Its totient is φ = 16501967834688.

The previous prime is 16504254066259. The next prime is 16504254066343. The reversal of 16504254066323 is 32366045240561.

16504254066323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16504254066323 - 2⁶ = 16504254066259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16504254066343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143104990 + ... + 1143119427.

It is an arithmetic number, because the mean of its divisors is an integer number (4126635074490).

Almost surely, 2^{16504254066323} is an apocalyptic number.

16504254066323 is a deficient number, since it is larger than the sum of its proper divisors (2286231637).

16504254066323 is an equidigital number, since it uses as much as digits as its factorization.

16504254066323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286231636.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 16504254066323 in words is "sixteen trillion, five hundred four billion, two hundred fifty-four million, sixty-six thousand, three hundred twenty-three".