66106067 has 2 divisors, whose sum is σ = 66106068. Its totient is φ = 66106066.

The previous prime is 66106039. The next prime is 66106069. The reversal of 66106067 is 76060166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66106067 - 2¹⁰ = 66105043 is a prime.

Together with 66106069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66106069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33053033 + 33053034.

It is an arithmetic number, because the mean of its divisors is an integer number (33053034).

Almost surely, 2^66106067 is an apocalyptic number.

66106067 is a deficient number, since it is larger than the sum of its proper divisors (1).

66106067 is an equidigital number, since it uses as much as digits as its factorization.

66106067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 66106067 is about 8130.5637565915. The cubic root of 66106067 is about 404.3403721581.

The spelling of 66106067 in words is "sixty-six million, one hundred six thousand, sixty-seven".