9724066144668 has 36 divisors (see below), whose sum is σ = 24597195358008. Its totient is φ = 3239124562080.

The previous prime is 9724066144621. The next prime is 9724066144679. The reversal of 9724066144668 is 8664416604279.

It is a happy number.

9724066144668 is a `hidden beast` number, since 9 + 7 + 2 + 4 + 0 + 6 + 614 + 4 + 6 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×9724066144668² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92897778 + ... + 93002393.

Almost surely, 2^{9724066144668} is an apocalyptic number.

It is an amenable number.

9724066144668 is an abundant number, since it is smaller than the sum of its proper divisors (14873129213340).

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

9724066144668 is a wasteful number, since it uses less digits than its factorization.

9724066144668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185901634 (or 185901629 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 9724066144668 in words is "nine trillion, seven hundred twenty-four billion, sixty-six million, one hundred forty-four thousand, six hundred sixty-eight".