11640333266 has 4 divisors (see below), whose sum is σ = 17460499902. Its totient is φ = 5820166632.

The previous prime is 11640333259. The next prime is 11640333269. The reversal of 11640333266 is 66233304611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10736068225 + 904265041 = 103615^2 + 30071^2 .

It is not an unprimeable number, because it can be changed into a prime (11640333269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910083315 + ... + 2910083318.

Almost surely, 2^11640333266 is an apocalyptic number.

11640333266 is a deficient number, since it is larger than the sum of its proper divisors (5820166636).

11640333266 is an equidigital number, since it uses as much as digits as its factorization.

11640333266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820166635.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 11640333266 its reverse (66233304611), we get a palindrome (77873637877).

The spelling of 11640333266 in words is "eleven billion, six hundred forty million, three hundred thirty-three thousand, two hundred sixty-six".