66033203245633 has 16 divisors (see below), whose sum is σ = 71209251360576. Its totient is φ = 60871003179840.

The previous prime is 66033203245613. The next prime is 66033203245703. The reversal of 66033203245633 is 33654230233066.

66033203245633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66033203245633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66033203245613) 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, 29318391 + ... + 31490227.

It is an arithmetic number, because the mean of its divisors is an integer number (4450578210036).

Almost surely, 2^{66033203245633} is an apocalyptic number.

It is an amenable number.

66033203245633 is a deficient number, since it is larger than the sum of its proper divisors (5176048114943).

66033203245633 is a wasteful number, since it uses less digits than its factorization.

66033203245633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175024.

The product of its (nonzero) digits is 4199040, while the sum is 46.

Adding to 66033203245633 its reverse (33654230233066), we get a palindrome (99687433478699).

The spelling of 66033203245633 in words is "sixty-six trillion, thirty-three billion, two hundred three million, two hundred forty-five thousand, six hundred thirty-three".