11066506666 has 16 divisors (see below), whose sum is σ = 17196242688. Its totient is φ = 5335696800.

The previous prime is 11066506663. The next prime is 11066506667. The reversal of 11066506666 is 66660566011.

It is not an unprimeable number, because it can be changed into a prime (11066506663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300180 + ... + 335023.

It is an arithmetic number, because the mean of its divisors is an integer number (1074765168).

Almost surely, 2^11066506666 is an apocalyptic number.

11066506666 is a deficient number, since it is larger than the sum of its proper divisors (6129736022).

11066506666 is a wasteful number, since it uses less digits than its factorization.

11066506666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635517.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 11066506666 in words is "eleven billion, sixty-six million, five hundred six thousand, six hundred sixty-six".