66300436420133 has 4 divisors (see below), whose sum is σ = 66364743343008. Its totient is φ = 66236129497260.

The previous prime is 66300436420121. The next prime is 66300436420139. The reversal of 66300436420133 is 33102463400366.

66300436420133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66300436420133 - 2¹² = 66300436416037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66300436420139) 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 3 ways as a sum of consecutive naturals, for example, 32153459891 + ... + 32153461952.

It is an arithmetic number, because the mean of its divisors is an integer number (16591185835752).

Almost surely, 2^{66300436420133} is an apocalyptic number.

It is an amenable number.

66300436420133 is a deficient number, since it is larger than the sum of its proper divisors (64306922875).

66300436420133 is a wasteful number, since it uses less digits than its factorization.

66300436420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64306922874.

The product of its (nonzero) digits is 559872, while the sum is 41.

Adding to 66300436420133 its reverse (33102463400366), we get a palindrome (99402899820499).

The spelling of 66300436420133 in words is "sixty-six trillion, three hundred billion, four hundred thirty-six million, four hundred twenty thousand, one hundred thirty-three".