11905794166 has 16 divisors (see below), whose sum is σ = 20535151104. Its totient is φ = 5071178664.

The previous prime is 11905794163. The next prime is 11905794167. The reversal of 11905794166 is 66149750911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11905794163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606350 + ... + 2610913.

It is an arithmetic number, because the mean of its divisors is an integer number (1283446944).

Almost surely, 2^11905794166 is an apocalyptic number.

11905794166 is a deficient number, since it is larger than the sum of its proper divisors (8629356938).

11905794166 is a wasteful number, since it uses less digits than its factorization.

11905794166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217435.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 11905794166 in words is "eleven billion, nine hundred five million, seven hundred ninety-four thousand, one hundred sixty-six".