6650055066 has 16 divisors (see below), whose sum is σ = 13659573024. Its totient is φ = 2156774544.

The previous prime is 6650055059. The next prime is 6650055077. The reversal of 6650055066 is 6605500566.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14977380 + ... + 14977823.

It is an arithmetic number, because the mean of its divisors is an integer number (853723314).

Almost surely, 2^6650055066 is an apocalyptic number.

6650055066 is an abundant number, since it is smaller than the sum of its proper divisors (7009517958).

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

6650055066 is a wasteful number, since it uses less digits than its factorization.

6650055066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29955245.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 6650055066 is about 81547.8697821102. The cubic root of 6650055066 is about 1880.5075461170.

The spelling of 6650055066 in words is "six billion, six hundred fifty million, fifty-five thousand, sixty-six".