6457444312164 has 24 divisors (see below), whose sum is σ = 15069572763168. Its totient is φ = 2152166765760.

The previous prime is 6457444312153. The next prime is 6457444312313. The reversal of 6457444312164 is 4612134447546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39248442 + ... + 39412625.

It is an arithmetic number, because the mean of its divisors is an integer number (627898865132).

Almost surely, 2^{6457444312164} is an apocalyptic number.

It is an amenable number.

6457444312164 is an abundant number, since it is smaller than the sum of its proper divisors (8612128451004).

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

6457444312164 is a wasteful number, since it uses less digits than its factorization.

6457444312164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78667915 (or 78667913 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 51.

The spelling of 6457444312164 in words is "six trillion, four hundred fifty-seven billion, four hundred forty-four million, three hundred twelve thousand, one hundred sixty-four".