9640168320 has 256 divisors, whose sum is σ = 32475168000. Its totient is φ = 2425651200.

The previous prime is 9640168309. The next prime is 9640168327. The reversal of 9640168320 is 238610469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640168327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14628151 + ... + 14628809.

It is an arithmetic number, because the mean of its divisors is an integer number (126856125).

Almost surely, 2^9640168320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9640168320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16237584000).

9640168320 is an abundant number, since it is smaller than the sum of its proper divisors (22834999680).

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

9640168320 is a wasteful number, since it uses less digits than its factorization.

9640168320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 9640168320 is about 98184.3588358146. The cubic root of 9640168320 is about 2128.2772642666.

Adding to 9640168320 its reverse (238610469), we get a palindrome (9878778789).

The spelling of 9640168320 in words is "nine billion, six hundred forty million, one hundred sixty-eight thousand, three hundred twenty".