66050016133 has 2 divisors, whose sum is σ = 66050016134. Its totient is φ = 66050016132.

The previous prime is 66050016091. The next prime is 66050016143. The reversal of 66050016133 is 33161005066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36938149249 + 29111866884 = 192193^2 + 170622^2 .

It is a cyclic number.

It is not a de Polignac number, because 66050016133 - 2⁹ = 66050015621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66050016095 and 66050016104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66050016143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33025008066 + 33025008067.

It is an arithmetic number, because the mean of its divisors is an integer number (33025008067).

Almost surely, 2^66050016133 is an apocalyptic number.

It is an amenable number.

66050016133 is a deficient number, since it is larger than the sum of its proper divisors (1).

66050016133 is an equidigital number, since it uses as much as digits as its factorization.

66050016133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 66050016133 in words is "sixty-six billion, fifty million, sixteen thousand, one hundred thirty-three".