6455650664 has 16 divisors (see below), whose sum is σ = 12113740320. Its totient is φ = 3225319920.

The previous prime is 6455650661. The next prime is 6455650687. The reversal of 6455650664 is 4660565546.

It is not an unprimeable number, because it can be changed into a prime (6455650661) 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, 302204 + ... + 322859.

It is an arithmetic number, because the mean of its divisors is an integer number (757108770).

Almost surely, 2^6455650664 is an apocalyptic number.

It is an amenable number.

6455650664 is a deficient number, since it is larger than the sum of its proper divisors (5658089656).

6455650664 is a wasteful number, since it uses less digits than its factorization.

6455650664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626360 (or 626356 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The square root of 6455650664 is about 80347.0638169187. The cubic root of 6455650664 is about 1862.0014167678.

The spelling of 6455650664 in words is "six billion, four hundred fifty-five million, six hundred fifty thousand, six hundred sixty-four".