6650161066 has 16 divisors (see below), whose sum is σ = 10195943040. Its totient is φ = 3252300480.

The previous prime is 6650161057. The next prime is 6650161069. The reversal of 6650161066 is 6601610566.

It is not an unprimeable number, because it can be changed into a prime (6650161069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179775 + ... + 213586.

It is an arithmetic number, because the mean of its divisors is an integer number (637246440).

Almost surely, 2^6650161066 is an apocalyptic number.

6650161066 is a deficient number, since it is larger than the sum of its proper divisors (3545781974).

6650161066 is a wasteful number, since it uses less digits than its factorization.

6650161066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393549.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6650161066 is about 81548.5197045293. The cubic root of 6650161066 is about 1880.5175376504.

The spelling of 6650161066 in words is "six billion, six hundred fifty million, one hundred sixty-one thousand, sixty-six".