5645556555466 has 32 divisors (see below), whose sum is σ = 8585502576768. Its totient is φ = 2783974717440.

The previous prime is 5645556555461. The next prime is 5645556555521. The reversal of 5645556555466 is 6645556555465.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5645556555461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332219866 + ... + 332236858.

It is an arithmetic number, because the mean of its divisors is an integer number (268296955524).

Almost surely, 2^{5645556555466} is an apocalyptic number.

5645556555466 is a deficient number, since it is larger than the sum of its proper divisors (2939946021302).

5645556555466 is a wasteful number, since it uses less digits than its factorization.

5645556555466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24286.

The product of its digits is 1620000000, while the sum is 67.

Subtracting 5645556555466 from its reverse (6645556555465), we obtain a palindrome (999999999999).

The spelling of 5645556555466 in words is "five trillion, six hundred forty-five billion, five hundred fifty-six million, five hundred fifty-five thousand, four hundred sixty-six".