6455716320 has 48 divisors (see below), whose sum is σ = 20335507920. Its totient is φ = 1721524224.

The previous prime is 6455716307. The next prime is 6455716331. The reversal of 6455716320 is 236175546.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6724225 + ... + 6725184.

It is an arithmetic number, because the mean of its divisors is an integer number (423656415).

Almost surely, 2^6455716320 is an apocalyptic number.

6455716320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6455716320 is an abundant number, since it is smaller than the sum of its proper divisors (13879791600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6455716320 is a wasteful number, since it uses less digits than its factorization.

6455716320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449427 (or 13449419 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 6455716320 is about 80347.4723933491. The cubic root of 6455716320 is about 1862.0077291266.

The spelling of 6455716320 in words is "six billion, four hundred fifty-five million, seven hundred sixteen thousand, three hundred twenty".