16504454411 has 8 divisors (see below), whose sum is σ = 16601841984. Its totient is φ = 16407135360.

The previous prime is 16504454389. The next prime is 16504454413. The reversal of 16504454411 is 11445440561.

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

It is a cyclic number.

It is not a de Polignac number, because 16504454411 - 2³⁰ = 15430712587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16504454413) 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, 514211 + ... + 545363.

It is an arithmetic number, because the mean of its divisors is an integer number (2075230248).

Almost surely, 2^16504454411 is an apocalyptic number.

16504454411 is a deficient number, since it is larger than the sum of its proper divisors (97387573).

16504454411 is a wasteful number, since it uses less digits than its factorization.

16504454411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34261.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 16504454411 its reverse (11445440561), we get a palindrome (27949894972).

The spelling of 16504454411 in words is "sixteen billion, five hundred four million, four hundred fifty-four thousand, four hundred eleven".