9999088171568 has 20 divisors (see below), whose sum is σ = 19378818113760. Its totient is φ = 4998102851904.

The previous prime is 9999088171549. The next prime is 9999088171573. The reversal of 9999088171568 is 8651718809999.

It is a junction number, because it is equal to n+sod(n) for n = 9999088171492 and 9999088171501.

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, 90019880 + ... + 90130887.

It is an arithmetic number, because the mean of its divisors is an integer number (968940905688).

Almost surely, 2^{9999088171568} is an apocalyptic number.

It is an amenable number.

9999088171568 is a deficient number, since it is larger than the sum of its proper divisors (9379729942192).

9999088171568 is a wasteful number, since it uses less digits than its factorization.

9999088171568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180154244 (or 180154238 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 80.

The spelling of 9999088171568 in words is "nine trillion, nine hundred ninety-nine billion, eighty-eight million, one hundred seventy-one thousand, five hundred sixty-eight".