66107 has 2 divisors, whose sum is σ = 66108. Its totient is φ = 66106.

The previous prime is 66103. The next prime is 66109. The reversal of 66107 is 70166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66107 - 2² = 66103 is a prime.

Together with 66109, 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 (66103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33053 + 33054.

It is an arithmetic number, because the mean of its divisors is an integer number (33054).

2⁶⁶¹⁰⁷ is an apocalyptic number.

66107 is a deficient number, since it is larger than the sum of its proper divisors (1).

66107 is an equidigital number, since it uses as much as digits as its factorization.

66107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 66107 is about 257.1128157055. The cubic root of 66107 is about 40.4342274393.

The spelling of 66107 in words is "sixty-six thousand, one hundred seven".