66075330257822 has 16 divisors (see below), whose sum is σ = 104329632508800. Its totient is φ = 31298791544280.

The previous prime is 66075330257819. The next prime is 66075330257837. The reversal of 66075330257822 is 22875203357066.

66075330257822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 37720079 + ... + 39432917.

It is an arithmetic number, because the mean of its divisors is an integer number (6520602031800).

Almost surely, 2^{66075330257822} is an apocalyptic number.

66075330257822 is a deficient number, since it is larger than the sum of its proper divisors (38254302250978).

66075330257822 is a wasteful number, since it uses less digits than its factorization.

66075330257822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728031.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 66075330257822 in words is "sixty-six trillion, seventy-five billion, three hundred thirty million, two hundred fifty-seven thousand, eight hundred twenty-two".