4331365664 has 12 divisors (see below), whose sum is σ = 8527376214. Its totient is φ = 2165682816.

The previous prime is 4331365631. The next prime is 4331365697. The reversal of 4331365664 is 4665631334.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4331365631) and next prime (4331365697).

It can be written as a sum of positive squares in only one way, i.e., 3996768400 + 334597264 = 63220^2 + 18292^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67677557 + ... + 67677620.

Almost surely, 2^4331365664 is an apocalyptic number.

It is an amenable number.

4331365664 is a deficient number, since it is larger than the sum of its proper divisors (4196010550).

4331365664 is a wasteful number, since it uses less digits than its factorization.

4331365664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135355187 (or 135355179 counting only the distinct ones).

The product of its digits is 466560, while the sum is 41.

The square root of 4331365664 is about 65813.1116419821. Note that the first 3 decimals coincide. The cubic root of 4331365664 is about 1630.0776135776.

Adding to 4331365664 its reverse (4665631334), we get a palindrome (8996996998).

The spelling of 4331365664 in words is "four billion, three hundred thirty-one million, three hundred sixty-five thousand, six hundred sixty-four".