989665224236 has 36 divisors (see below), whose sum is σ = 1875493940544. Its totient is φ = 456742353600.

The previous prime is 989665224217. The next prime is 989665224307. The reversal of 989665224236 is 632422566989.

989665224236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16647926 + ... + 16707266.

It is an arithmetic number, because the mean of its divisors is an integer number (52097053904).

Almost surely, 2^989665224236 is an apocalyptic number.

It is an amenable number.

989665224236 is a deficient number, since it is larger than the sum of its proper divisors (885828716308).

989665224236 is a wasteful number, since it uses less digits than its factorization.

989665224236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84042 (or 84027 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 62.

The spelling of 989665224236 in words is "nine hundred eighty-nine billion, six hundred sixty-five million, two hundred twenty-four thousand, two hundred thirty-six".