16668951044 has 24 divisors (see below), whose sum is σ = 30891829248. Its totient is φ = 7842880640.

The previous prime is 16668951037. The next prime is 16668951053. The reversal of 16668951044 is 44015986661.

It is a junction number, because it is equal to n+sod(n) for n = 16668950983 and 16668951001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465749 + ... + 500259.

It is an arithmetic number, because the mean of its divisors is an integer number (1287159552).

Almost surely, 2^16668951044 is an apocalyptic number.

It is an amenable number.

16668951044 is a deficient number, since it is larger than the sum of its proper divisors (14222878204).

16668951044 is a wasteful number, since it uses less digits than its factorization.

16668951044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41635 (or 41633 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 16668951044 in words is "sixteen billion, six hundred sixty-eight million, nine hundred fifty-one thousand, forty-four".