66755126444245 has 32 divisors (see below), whose sum is σ = 81438863007744. Its totient is φ = 52522991539200.

The previous prime is 66755126444197. The next prime is 66755126444261. The reversal of 66755126444245 is 54244462155766.

66755126444245 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 66755126444245 - 2¹⁹ = 66755125919957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1079921959 + ... + 1079983771.

It is an arithmetic number, because the mean of its divisors is an integer number (2544964468992).

Almost surely, 2^{66755126444245} is an apocalyptic number.

It is an amenable number.

66755126444245 is a deficient number, since it is larger than the sum of its proper divisors (14683736563499).

66755126444245 is a wasteful number, since it uses less digits than its factorization.

66755126444245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76653.

The product of its digits is 193536000, while the sum is 61.

The spelling of 66755126444245 in words is "sixty-six trillion, seven hundred fifty-five billion, one hundred twenty-six million, four hundred forty-four thousand, two hundred forty-five".