2320456664 has 16 divisors (see below), whose sum is σ = 4456975320. Its totient is φ = 1131929920.

The previous prime is 2320456661. The next prime is 2320456669. The reversal of 2320456664 is 4666540232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320456661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536954 + ... + 3537609.

Almost surely, 2^2320456664 is an apocalyptic number.

It is an amenable number.

2320456664 is a deficient number, since it is larger than the sum of its proper divisors (2136518656).

2320456664 is a wasteful number, since it uses less digits than its factorization.

2320456664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074610 (or 7074606 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2320456664 is about 48171.1185670418. The cubic root of 2320456664 is about 1323.9080433148.

Adding to 2320456664 its reverse (4666540232), we get a palindrome (6986996896).

The spelling of 2320456664 in words is "two billion, three hundred twenty million, four hundred fifty-six thousand, six hundred sixty-four".