5546665666455 has 32 divisors (see below), whose sum is σ = 8935147597824. Its totient is φ = 2938089977856.

The previous prime is 5546665666391. The next prime is 5546665666457.

5546665666455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5546665666455 - 2⁶ = 5546665666391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5546665666455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546665666457) 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 31 ways as a sum of consecutive naturals, for example, 2138874 + ... + 3958296.

It is an arithmetic number, because the mean of its divisors is an integer number (279223362432).

Almost surely, 2^{5546665666455} is an apocalyptic number.

5546665666455 is a deficient number, since it is larger than the sum of its proper divisors (3388481931369).

5546665666455 is a wasteful number, since it uses less digits than its factorization.

5546665666455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820815.

The product of its digits is 2332800000, while the sum is 69.

The spelling of 5546665666455 in words is "five trillion, five hundred forty-six billion, six hundred sixty-five million, six hundred sixty-six thousand, four hundred fifty-five".