16940318044 has 12 divisors (see below), whose sum is σ = 31925984104. Its totient is φ = 7818608304.

The previous prime is 16940318039. The next prime is 16940318081. The reversal of 16940318044 is 44081304961.

It is a junction number, because it is equal to n+sod(n) for n = 16940317988 and 16940318006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162887622 + ... + 162887725.

Almost surely, 2^16940318044 is an apocalyptic number.

It is an amenable number.

16940318044 is a deficient number, since it is larger than the sum of its proper divisors (14985666060).

16940318044 is a wasteful number, since it uses less digits than its factorization.

16940318044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325775364 (or 325775362 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 16940318044 in words is "sixteen billion, nine hundred forty million, three hundred eighteen thousand, forty-four".