65564044134603 has 16 divisors (see below), whose sum is σ = 99907438821120. Its totient is φ = 37465046595936.

The previous prime is 65564044134587. The next prime is 65564044134613. The reversal of 65564044134603 is 30643144046556.

65564044134603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65564044134603 - 2⁴ = 65564044134587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65564044134613) 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 15 ways as a sum of consecutive naturals, for example, 1784301 + ... + 11589297.

It is an arithmetic number, because the mean of its divisors is an integer number (6244214926320).

Almost surely, 2^{65564044134603} is an apocalyptic number.

65564044134603 is a deficient number, since it is larger than the sum of its proper divisors (34343394686517).

65564044134603 is a wasteful number, since it uses less digits than its factorization.

65564044134603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123426.

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 65564044134603 in words is "sixty-five trillion, five hundred sixty-four billion, forty-four million, one hundred thirty-four thousand, six hundred three".