66066062453 has 2 divisors, whose sum is σ = 66066062454. Its totient is φ = 66066062452.

The previous prime is 66066062449. The next prime is 66066062467. The reversal of 66066062453 is 35426066066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65834322724 + 231739729 = 256582^2 + 15223^2 .

It is a cyclic number.

It is not a de Polignac number, because 66066062453 - 2² = 66066062449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66066062483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33033031226 + 33033031227.

It is an arithmetic number, because the mean of its divisors is an integer number (33033031227).

Almost surely, 2^66066062453 is an apocalyptic number.

It is an amenable number.

66066062453 is a deficient number, since it is larger than the sum of its proper divisors (1).

66066062453 is an equidigital number, since it uses as much as digits as its factorization.

66066062453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 66066062453 in words is "sixty-six billion, sixty-six million, sixty-two thousand, four hundred fifty-three".