9904168512 has 336 divisors, whose sum is σ = 34524817920. Its totient is φ = 2775112704.

The previous prime is 9904168489. The next prime is 9904168523. The reversal of 9904168512 is 2158614099.

9904168512 is a `hidden beast` number, since 9 + 90 + 41 + 6 + 8 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4486513 + ... + 4488719.

Almost surely, 2^9904168512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9904168512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17262408960).

9904168512 is an abundant number, since it is smaller than the sum of its proper divisors (24620649408).

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

9904168512 is a wasteful number, since it uses less digits than its factorization.

9904168512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 9904168512 is about 99519.6890670384. The cubic root of 9904168512 is about 2147.5304988027.

The spelling of 9904168512 in words is "nine billion, nine hundred four million, one hundred sixty-eight thousand, five hundred twelve".