16904451233 has 4 divisors (see below), whose sum is σ = 16904714160. Its totient is φ = 16904188308.

The previous prime is 16904451133. The next prime is 16904451271. The reversal of 16904451233 is 33215440961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16904451233 - 2³² = 12609483937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16904451293) 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, 36566 + ... + 187472.

It is an arithmetic number, because the mean of its divisors is an integer number (4226178540).

Almost surely, 2^16904451233 is an apocalyptic number.

It is an amenable number.

16904451233 is a deficient number, since it is larger than the sum of its proper divisors (262927).

16904451233 is a wasteful number, since it uses less digits than its factorization.

16904451233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262926.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 16904451233 in words is "sixteen billion, nine hundred four million, four hundred fifty-one thousand, two hundred thirty-three".