16673845 has 8 divisors (see below), whose sum is σ = 20143800. Its totient is φ = 13248960.

The previous prime is 16673807. The next prime is 16673863. The reversal of 16673845 is 54837661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 400689 + 16273156 = 633^2 + 4034^2 .

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

It is not a de Polignac number, because 16673845 - 2⁹ = 16673333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16673798 and 16673807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10446 + ... + 11935.

It is an arithmetic number, because the mean of its divisors is an integer number (2517975).

Almost surely, 2^16673845 is an apocalyptic number.

It is an amenable number.

16673845 is a deficient number, since it is larger than the sum of its proper divisors (3469955).

16673845 is a wasteful number, since it uses less digits than its factorization.

16673845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22535.

The product of its digits is 120960, while the sum is 40.

The square root of 16673845 is about 4083.3619726887. The cubic root of 16673845 is about 255.4731443645.

The spelling of 16673845 in words is "sixteen million, six hundred seventy-three thousand, eight hundred forty-five".