16795666645 has 16 divisors (see below), whose sum is σ = 21220920000. Its totient is φ = 12726142848.

The previous prime is 16795666639. The next prime is 16795666661. The reversal of 16795666645 is 54666659761.

16795666645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16795666645 - 2³ = 16795666637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398806 + ... + 438904.

It is an arithmetic number, because the mean of its divisors is an integer number (1326307500).

Almost surely, 2^16795666645 is an apocalyptic number.

It is an amenable number.

16795666645 is a deficient number, since it is larger than the sum of its proper divisors (4425253355).

16795666645 is a wasteful number, since it uses less digits than its factorization.

16795666645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44532.

The product of its digits is 48988800, while the sum is 61.

The spelling of 16795666645 in words is "sixteen billion, seven hundred ninety-five million, six hundred sixty-six thousand, six hundred forty-five".