6456544456546 has 16 divisors (see below), whose sum is σ = 10256122699776. Its totient is φ = 3037896553536.

The previous prime is 6456544456543. The next prime is 6456544456547.

6456544456546 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6456544456543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14696226 + ... + 15129181.

It is an arithmetic number, because the mean of its divisors is an integer number (641007668736).

Almost surely, 2^{6456544456546} is an apocalyptic number.

6456544456546 is a deficient number, since it is larger than the sum of its proper divisors (3799578243230).

6456544456546 is a wasteful number, since it uses less digits than its factorization.

6456544456546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29831793.

The product of its digits is 829440000, while the sum is 64.

The spelling of 6456544456546 in words is "six trillion, four hundred fifty-six billion, five hundred forty-four million, four hundred fifty-six thousand, five hundred forty-six".