16904742707 has 4 divisors (see below), whose sum is σ = 16927996176. Its totient is φ = 16881489240.

The previous prime is 16904742703. The next prime is 16904742749. The reversal of 16904742707 is 70724740961.

It is a happy number.

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 16904742707 - 2² = 16904742703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16904742703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11625644 + ... + 11627097.

It is an arithmetic number, because the mean of its divisors is an integer number (4231999044).

Almost surely, 2^16904742707 is an apocalyptic number.

16904742707 is a deficient number, since it is larger than the sum of its proper divisors (23253469).

16904742707 is an equidigital number, since it uses as much as digits as its factorization.

16904742707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23253468.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 16904742707 in words is "sixteen billion, nine hundred four million, seven hundred forty-two thousand, seven hundred seven".