8165656608 has 48 divisors (see below), whose sum is σ = 21736766016. Its totient is φ = 2683546880.

The previous prime is 8165656607. The next prime is 8165656633. The reversal of 8165656608 is 8066565618.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (8165656607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592191 + ... + 605822.

It is an arithmetic number, because the mean of its divisors is an integer number (452849292).

Almost surely, 2^8165656608 is an apocalyptic number.

It is an amenable number.

8165656608 is an abundant number, since it is smaller than the sum of its proper divisors (13571109408).

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

8165656608 is a wasteful number, since it uses less digits than its factorization.

8165656608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198097 (or 1198089 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 8165656608 is about 90364.0227524207. The cubic root of 8165656608 is about 2013.7105134704.

The spelling of 8165656608 in words is "eight billion, one hundred sixty-five million, six hundred fifty-six thousand, six hundred eight".