16673673657 has 8 divisors (see below), whose sum is σ = 22232966176. Its totient is φ = 11115081792.

The previous prime is 16673673631. The next prime is 16673673683. The reversal of 16673673657 is 75637637661.

16673673657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16673673631) and next prime (16673673683).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16673673657 - 2³¹ = 14526190009 is a prime.

It is a super-2 number, since 2×16673673657² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16673673597 and 16673673606.

It is not an unprimeable number, because it can be changed into a prime (16673673607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116863 + ... + 216804.

It is an arithmetic number, because the mean of its divisors is an integer number (2779120772).

Almost surely, 2^16673673657 is an apocalyptic number.

It is an amenable number.

16673673657 is a deficient number, since it is larger than the sum of its proper divisors (5559292519).

16673673657 is a wasteful number, since it uses less digits than its factorization.

16673673657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350327.

The product of its digits is 20003760, while the sum is 57.

The spelling of 16673673657 in words is "sixteen billion, six hundred seventy-three million, six hundred seventy-three thousand, six hundred fifty-seven".