16665817302794 has 16 divisors (see below), whose sum is σ = 28875533723136. Its totient is φ = 7129761412800.

The previous prime is 16665817302793. The next prime is 16665817302803. The reversal of 16665817302794 is 49720371856661.

It is a self number, because there is not a number n which added to its sum of digits gives 16665817302794.

It is not an unprimeable number, because it can be changed into a prime (16665817302793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22280504042 + ... + 22280504789.

It is an arithmetic number, because the mean of its divisors is an integer number (1804720857696).

It is a 1-persistent number, because it is pandigital, but 2⋅16665817302794 = 33331634605588 is not.

Almost surely, 2^{16665817302794} is an apocalyptic number.

16665817302794 is a deficient number, since it is larger than the sum of its proper divisors (12209716420342).

16665817302794 is a wasteful number, since it uses less digits than its factorization.

16665817302794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44561008861.

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 16665817302794 in words is "sixteen trillion, six hundred sixty-five billion, eight hundred seventeen million, three hundred two thousand, seven hundred ninety-four".