11665040606 has 8 divisors (see below), whose sum is σ = 17500139184. Its totient is φ = 5831660880.

The previous prime is 11665040599. The next prime is 11665040641. The reversal of 11665040606 is 60604056611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412610 + ... + 439973.

It is an arithmetic number, because the mean of its divisors is an integer number (2187517398).

Almost surely, 2^11665040606 is an apocalyptic number.

11665040606 is a deficient number, since it is larger than the sum of its proper divisors (5835098578).

11665040606 is an equidigital number, since it uses as much as digits as its factorization.

11665040606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859426.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 11665040606 in words is "eleven billion, six hundred sixty-five million, forty thousand, six hundred six".