66042893706467 has 2 divisors, whose sum is σ = 66042893706468. Its totient is φ = 66042893706466.

The previous prime is 66042893706463. The next prime is 66042893706469. The reversal of 66042893706467 is 76460739824066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66042893706467 - 2² = 66042893706463 is a prime.

Together with 66042893706469, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 66042893706397 and 66042893706406.

It is not a weakly prime, because it can be changed into another prime (66042893706463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33021446853233 + 33021446853234.

It is an arithmetic number, because the mean of its divisors is an integer number (33021446853234).

Almost surely, 2^{66042893706467} is an apocalyptic number.

66042893706467 is a deficient number, since it is larger than the sum of its proper divisors (1).

66042893706467 is an equidigital number, since it uses as much as digits as its factorization.

66042893706467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 438939648, while the sum is 68.

The spelling of 66042893706467 in words is "sixty-six trillion, forty-two billion, eight hundred ninety-three million, seven hundred six thousand, four hundred sixty-seven".