2321064664 has 16 divisors (see below), whose sum is σ = 4453206120. Its totient is φ = 1133543040.

The previous prime is 2321064637. The next prime is 2321064667. The reversal of 2321064664 is 4664601232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321064667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3373297 + ... + 3373984.

Almost surely, 2^2321064664 is an apocalyptic number.

It is an amenable number.

2321064664 is a deficient number, since it is larger than the sum of its proper divisors (2132141456).

2321064664 is a wasteful number, since it uses less digits than its factorization.

2321064664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747330 (or 6747326 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 2321064664 is about 48177.4289891024. The cubic root of 2321064664 is about 1324.0236621943.

Adding to 2321064664 its reverse (4664601232), we get a palindrome (6985665896).

The spelling of 2321064664 in words is "two billion, three hundred twenty-one million, sixty-four thousand, six hundred sixty-four".