66468052823 has 2 divisors, whose sum is σ = 66468052824. Its totient is φ = 66468052822.

The previous prime is 66468052817. The next prime is 66468052873. The reversal of 66468052823 is 32825086466.

It is an a-pointer prime, because the next prime (66468052873) can be obtained adding 66468052823 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66468052823 - 2¹⁰ = 66468051799 is a prime.

It is a super-2 number, since 2×66468052823² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66468052813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33234026411 + 33234026412.

It is an arithmetic number, because the mean of its divisors is an integer number (33234026412).

Almost surely, 2^66468052823 is an apocalyptic number.

66468052823 is a deficient number, since it is larger than the sum of its proper divisors (1).

66468052823 is an equidigital number, since it uses as much as digits as its factorization.

66468052823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 66468052823 in words is "sixty-six billion, four hundred sixty-eight million, fifty-two thousand, eight hundred twenty-three".