11166791691806 has 16 divisors (see below), whose sum is σ = 18147946007664. Its totient is φ = 5132752404864.

The previous prime is 11166791691799. The next prime is 11166791691827. The reversal of 11166791691806 is 60819619766111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819010745 + ... + 3819013668.

It is an arithmetic number, because the mean of its divisors is an integer number (1134246625479).

Almost surely, 2^{11166791691806} is an apocalyptic number.

11166791691806 is a deficient number, since it is larger than the sum of its proper divisors (6981154315858).

11166791691806 is a wasteful number, since it uses less digits than its factorization.

11166791691806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638024475.

The product of its (nonzero) digits is 5878656, while the sum is 62.

The spelling of 11166791691806 in words is "eleven trillion, one hundred sixty-six billion, seven hundred ninety-one million, six hundred ninety-one thousand, eight hundred six".