11651006066 has 24 divisors (see below), whose sum is σ = 21525691356. Its totient is φ = 4699564800.

The previous prime is 11651006057. The next prime is 11651006089. The reversal of 11651006066 is 66060015611.

It can be written as a sum of positive squares in 2 ways, for example, as 9395231041 + 2255775025 = 96929^2 + 47495^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 3495035 + ... + 3498366.

Almost surely, 2^11651006066 is an apocalyptic number.

11651006066 is a deficient number, since it is larger than the sum of its proper divisors (9874685290).

11651006066 is a wasteful number, since it uses less digits than its factorization.

11651006066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993434 (or 6993427 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 11651006066 in words is "eleven billion, six hundred fifty-one million, six thousand, sixty-six".