11684426666 has 16 divisors (see below), whose sum is σ = 19132882560. Its totient is φ = 5307516480.

The previous prime is 11684426651. The next prime is 11684426669. The reversal of 11684426666 is 66662448611.

11684426666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11684426669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145871 + ... + 211298.

It is an arithmetic number, because the mean of its divisors is an integer number (1195805160).

Almost surely, 2^11684426666 is an apocalyptic number.

11684426666 is a deficient number, since it is larger than the sum of its proper divisors (7448455894).

11684426666 is a wasteful number, since it uses less digits than its factorization.

11684426666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358669.

The product of its digits is 1990656, while the sum is 50.

The spelling of 11684426666 in words is "eleven billion, six hundred eighty-four million, four hundred twenty-six thousand, six hundred sixty-six".