666011650116 has 48 divisors (see below), whose sum is σ = 1596343484736. Its totient is φ = 215961070464.

The previous prime is 666011650091. The next prime is 666011650151. The reversal of 666011650116 is 611056110666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139550 + ... + 2430986.

It is an arithmetic number, because the mean of its divisors is an integer number (33257155932).

Almost surely, 2^666011650116 is an apocalyptic number.

It is an amenable number.

666011650116 is an abundant number, since it is smaller than the sum of its proper divisors (930331834620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666011650116 is a wasteful number, since it uses less digits than its factorization.

666011650116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296628 (or 296626 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 666011650116 in words is "six hundred sixty-six billion, eleven million, six hundred fifty thousand, one hundred sixteen".