16944044253 has 8 divisors (see below), whose sum is σ = 22594173600. Its totient is φ = 11294972208.

The previous prime is 16944044251. The next prime is 16944044287. The reversal of 16944044253 is 35244044961.

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

It is not a de Polignac number, because 16944044253 - 2¹ = 16944044251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944044251) 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, 226143 + ... + 291596.

It is an arithmetic number, because the mean of its divisors is an integer number (2824271700).

Almost surely, 2^16944044253 is an apocalyptic number.

It is an amenable number.

16944044253 is a deficient number, since it is larger than the sum of its proper divisors (5650129347).

16944044253 is a wasteful number, since it uses less digits than its factorization.

16944044253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528651.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 16944044253 in words is "sixteen billion, nine hundred forty-four million, forty-four thousand, two hundred fifty-three".