9666808946 has 8 divisors (see below), whose sum is σ = 14549703084. Its totient is φ = 4816907920.

The previous prime is 9666808919. The next prime is 9666808981. The reversal of 9666808946 is 6498086669.

It can be written as a sum of positive squares in 2 ways, for example, as 8073921025 + 1592887921 = 89855^2 + 39911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 8247545 + ... + 8248716.

Almost surely, 2^9666808946 is an apocalyptic number.

9666808946 is a deficient number, since it is larger than the sum of its proper divisors (4882894138).

9666808946 is a wasteful number, since it uses less digits than its factorization.

9666808946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496556.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The square root of 9666808946 is about 98319.9315805295. The cubic root of 9666808946 is about 2130.2359606933.

The spelling of 9666808946 in words is "nine billion, six hundred sixty-six million, eight hundred eight thousand, nine hundred forty-six".