9664791793536 has 64 divisors (see below), whose sum is σ = 28005930777600. Its totient is φ = 2928724784640.

The previous prime is 9664791793409. The next prime is 9664791793537. The reversal of 9664791793536 is 6353971974669.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664791793537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144028896 + ... + 1144037343.

It is an arithmetic number, because the mean of its divisors is an integer number (437592668400).

Almost surely, 2^{9664791793536} is an apocalyptic number.

9664791793536 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9664791793536 is an abundant number, since it is smaller than the sum of its proper divisors (18341138984064).

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

9664791793536 is a wasteful number, since it uses less digits than its factorization.

9664791793536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288066267 (or 2288066255 counting only the distinct ones).

The product of its digits is 1388832480, while the sum is 75.

The spelling of 9664791793536 in words is "nine trillion, six hundred sixty-four billion, seven hundred ninety-one million, seven hundred ninety-three thousand, five hundred thirty-six".