9664124328 has 24 divisors (see below), whose sum is σ = 26173670250. Its totient is φ = 3221374752.

The previous prime is 9664124279. The next prime is 9664124359. The reversal of 9664124328 is 8234214669.

It can be written as a sum of positive squares in only one way, i.e., 5069724804 + 4594399524 = 71202^2 + 67782^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67111903 + ... + 67112046.

Almost surely, 2^9664124328 is an apocalyptic number.

It is an amenable number.

9664124328 is an abundant number, since it is smaller than the sum of its proper divisors (16509545922).

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

9664124328 is a wasteful number, since it uses less digits than its factorization.

9664124328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134223961 (or 134223954 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 9664124328 is about 98306.2781718441. The cubic root of 9664124328 is about 2130.0387429308.

The spelling of 9664124328 in words is "nine billion, six hundred sixty-four million, one hundred twenty-four thousand, three hundred twenty-eight".