6544220224456 has 16 divisors (see below), whose sum is σ = 12364080197040. Its totient is φ = 3247132171920.

The previous prime is 6544220224291. The next prime is 6544220224459.

6544220224456 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6544220224459) 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, 3122241426 + ... + 3122243521.

It is an arithmetic number, because the mean of its divisors is an integer number (772755012315).

Almost surely, 2^{6544220224456} is an apocalyptic number.

It is an amenable number.

6544220224456 is a deficient number, since it is larger than the sum of its proper divisors (5819859972584).

6544220224456 is a wasteful number, since it uses less digits than its factorization.

6544220224456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244485084 (or 6244485080 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 46.

It can be divided in two parts, 6544220 and 224456, that added together give a palindrome (6768676).

The spelling of 6544220224456 in words is "six trillion, five hundred forty-four billion, two hundred twenty million, two hundred twenty-four thousand, four hundred fifty-six".