9115664 has 10 divisors (see below), whose sum is σ = 17661630. Its totient is φ = 4557824.

The previous prime is 9115663. The next prime is 9115669. The reversal of 9115664 is 4665119.

9115664 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 67600 = 3008^2 + 260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9115664.

It is not an unprimeable number, because it can be changed into a prime (9115663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284849 + ... + 284880.

It is an arithmetic number, because the mean of its divisors is an integer number (1766163).

Almost surely, 2^9115664 is an apocalyptic number.

It is an amenable number.

9115664 is a deficient number, since it is larger than the sum of its proper divisors (8545966).

9115664 is a wasteful number, since it uses less digits than its factorization.

9115664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569737 (or 569731 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 9115664 is about 3019.2157922215. The cubic root of 9115664 is about 208.8956691795.

It can be divided in two parts, 9115 and 664, that added together give a palindrome (9779).

The spelling of 9115664 in words is "nine million, one hundred fifteen thousand, six hundred sixty-four".