16673688443 has 8 divisors (see below), whose sum is σ = 16905074448. Its totient is φ = 16442383104.

The previous prime is 16673688433. The next prime is 16673688491. The reversal of 16673688443 is 34488637661.

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 16673688443 - 2¹² = 16673684347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16673688433) 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, 482096 + ... + 515522.

It is an arithmetic number, because the mean of its divisors is an integer number (2113134306).

Almost surely, 2^16673688443 is an apocalyptic number.

16673688443 is a deficient number, since it is larger than the sum of its proper divisors (231386005).

16673688443 is an equidigital number, since it uses as much as digits as its factorization.

16673688443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40333.

The product of its digits is 13934592, while the sum is 56.

The spelling of 16673688443 in words is "sixteen billion, six hundred seventy-three million, six hundred eighty-eight thousand, four hundred forty-three".