989963524168 has 32 divisors (see below), whose sum is σ = 1865130520320. Its totient is φ = 492601120000.

The previous prime is 989963524141. The next prime is 989963524237. The reversal of 989963524168 is 861425369989.

989963524168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 989963524097 and 989963524106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024653 + ... + 1740643.

It is an arithmetic number, because the mean of its divisors is an integer number (58285328760).

Almost surely, 2^989963524168 is an apocalyptic number.

It is an amenable number.

989963524168 is a deficient number, since it is larger than the sum of its proper divisors (875166996152).

989963524168 is a wasteful number, since it uses less digits than its factorization.

989963524168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716829 (or 716825 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 70.

The spelling of 989963524168 in words is "nine hundred eighty-nine billion, nine hundred sixty-three million, five hundred twenty-four thousand, one hundred sixty-eight".