11656060666 has 8 divisors (see below), whose sum is σ = 17489857140. Its totient is φ = 5826108288.

The previous prime is 11656060643. The next prime is 11656060673. The reversal of 11656060666 is 66606065611.

It can be written as a sum of positive squares in 2 ways, for example, as 8322730441 + 3333330225 = 91229^2 + 57735^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953431 + ... + 965578.

Almost surely, 2^11656060666 is an apocalyptic number.

11656060666 is a deficient number, since it is larger than the sum of its proper divisors (5833796474).

11656060666 is a wasteful number, since it uses less digits than its factorization.

11656060666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922048.

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

The spelling of 11656060666 in words is "eleven billion, six hundred fifty-six million, sixty thousand, six hundred sixty-six".