16669374911 has 4 divisors (see below), whose sum is σ = 19050714192. Its totient is φ = 14288035632.

The previous prime is 16669374893. The next prime is 16669374919. The reversal of 16669374911 is 11947396661.

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 16669374911 - 2⁶ = 16669374847 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 (16669374919) 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, 1190669630 + ... + 1190669643.

It is an arithmetic number, because the mean of its divisors is an integer number (4762678548).

Almost surely, 2^16669374911 is an apocalyptic number.

16669374911 is a deficient number, since it is larger than the sum of its proper divisors (2381339281).

16669374911 is an equidigital number, since it uses as much as digits as its factorization.

16669374911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381339280.

The product of its digits is 1469664, while the sum is 53.

The spelling of 16669374911 in words is "sixteen billion, six hundred sixty-nine million, three hundred seventy-four thousand, nine hundred eleven".