9666808948 has 12 divisors (see below), whose sum is σ = 17329523652. Its totient is φ = 4715516480.

The previous prime is 9666808919. The next prime is 9666808981. The reversal of 9666808948 is 8498086669.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 813504484 + 8853304464 = 28522^2 + 94092^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9666808948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29471815 + ... + 29472142.

It is an arithmetic number, because the mean of its divisors is an integer number (1444126971).

Almost surely, 2^9666808948 is an apocalyptic number.

It is an amenable number.

9666808948 is a deficient number, since it is larger than the sum of its proper divisors (7662714704).

9666808948 is a wasteful number, since it uses less digits than its factorization.

9666808948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58944002 (or 58944000 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 64.

The square root of 9666808948 is about 98319.9315907004. The cubic root of 9666808948 is about 2130.2359608402.

The spelling of 9666808948 in words is "nine billion, six hundred sixty-six million, eight hundred eight thousand, nine hundred forty-eight".