989665224117 has 16 divisors (see below), whose sum is σ = 1337616504000. Its totient is φ = 650771149952.

The previous prime is 989665224103. The next prime is 989665224133. The reversal of 989665224117 is 711422566989.

It is a cyclic number.

It is not a de Polignac number, because 989665224117 - 2¹⁴ = 989665207733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989665224167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067242 + ... + 3374507.

It is an arithmetic number, because the mean of its divisors is an integer number (83601031500).

Almost surely, 2^989665224117 is an apocalyptic number.

It is an amenable number.

989665224117 is a deficient number, since it is larger than the sum of its proper divisors (347951279883).

989665224117 is a wasteful number, since it uses less digits than its factorization.

989665224117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442452.

The product of its digits is 13063680, while the sum is 60.

The spelling of 989665224117 in words is "nine hundred eighty-nine billion, six hundred sixty-five million, two hundred twenty-four thousand, one hundred seventeen".