16673698783 has 6 divisors (see below), whose sum is σ = 19395935376. Its totient is φ = 14291741772.

The previous prime is 16673698777. The next prime is 16673698793. The reversal of 16673698783 is 38789637661.

It is not a de Polignac number, because 16673698783 - 2⁵ = 16673698751 is a prime.

It is a super-2 number, since 2×16673698783² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16673698793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170139735 + ... + 170139832.

It is an arithmetic number, because the mean of its divisors is an integer number (3232655896).

Almost surely, 2^16673698783 is an apocalyptic number.

16673698783 is a deficient number, since it is larger than the sum of its proper divisors (2722236593).

16673698783 is an equidigital number, since it uses as much as digits as its factorization.

16673698783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340279581 (or 340279574 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 64.

The spelling of 16673698783 in words is "sixteen billion, six hundred seventy-three million, six hundred ninety-eight thousand, seven hundred eighty-three".