16904044111 has 4 divisors (see below), whose sum is σ = 17263704672. Its totient is φ = 16544383552.

The previous prime is 16904044093. The next prime is 16904044121. The reversal of 16904044111 is 11144040961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11144040961 = 17573 ⋅634157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16904044111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16904044121) 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, 179830210 + ... + 179830303.

It is an arithmetic number, because the mean of its divisors is an integer number (4315926168).

Almost surely, 2^16904044111 is an apocalyptic number.

16904044111 is a deficient number, since it is larger than the sum of its proper divisors (359660561).

16904044111 is an equidigital number, since it uses as much as digits as its factorization.

16904044111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359660560.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 16904044111 in words is "sixteen billion, nine hundred four million, forty-four thousand, one hundred eleven".