9804818668 has 24 divisors (see below), whose sum is σ = 17198472368. Its totient is φ = 4890986496.

The previous prime is 9804818651. The next prime is 9804818669. The reversal of 9804818668 is 8668184089.

It is a super-2 number, since 2×9804818668² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9804818669) 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, 4639180 + ... + 4641292.

Almost surely, 2^9804818668 is an apocalyptic number.

It is an amenable number.

9804818668 is a deficient number, since it is larger than the sum of its proper divisors (7393653700).

9804818668 is a wasteful number, since it uses less digits than its factorization.

9804818668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 58.

The square root of 9804818668 is about 99019.2843238124. The cubic root of 9804818668 is about 2140.3256461375.

The spelling of 9804818668 in words is "nine billion, eight hundred four million, eight hundred eighteen thousand, six hundred sixty-eight".