2321140664 has 16 divisors (see below), whose sum is σ = 4352697000. Its totient is φ = 1160421472.

The previous prime is 2321140663. The next prime is 2321140669. The reversal of 2321140664 is 4660411232.

2321140664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321140663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75887 + ... + 101985.

Almost surely, 2^2321140664 is an apocalyptic number.

It is an amenable number.

2321140664 is a deficient number, since it is larger than the sum of its proper divisors (2031556336).

2321140664 is a wasteful number, since it uses less digits than its factorization.

2321140664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37222 (or 37218 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2321140664 is about 48178.2177337435. The cubic root of 2321140664 is about 1324.0381131345.

Adding to 2321140664 its reverse (4660411232), we get a palindrome (6981551896).

The spelling of 2321140664 in words is "two billion, three hundred twenty-one million, one hundred forty thousand, six hundred sixty-four".