66324556133425 has 12 divisors (see below), whose sum is σ = 82250696425180. Its totient is φ = 53054324377920.

The previous prime is 66324556133321. The next prime is 66324556133501. The reversal of 66324556133425 is 52433165542366.

66324556133425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 8997504173056 + 57327051960369 = 2999584^2 + 7571463^2 .

It is not a de Polignac number, because 66324556133425 - 2²³ = 66324547744817 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 132758910 + ... + 133257559.

Almost surely, 2^{66324556133425} is an apocalyptic number.

It is an amenable number.

66324556133425 is a deficient number, since it is larger than the sum of its proper divisors (15926140291755).

66324556133425 is a wasteful number, since it uses less digits than its factorization.

66324556133425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266026452 (or 266026447 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 55.

The spelling of 66324556133425 in words is "sixty-six trillion, three hundred twenty-four billion, five hundred fifty-six million, one hundred thirty-three thousand, four hundred twenty-five".