66146107 has 2 divisors, whose sum is σ = 66146108. Its totient is φ = 66146106.

The previous prime is 66146063. The next prime is 66146111. The reversal of 66146107 is 70164166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66146107 - 2⁷ = 66145979 is a prime.

It is not a weakly prime, because it can be changed into another prime (66146117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33073053 + 33073054.

It is an arithmetic number, because the mean of its divisors is an integer number (33073054).

Almost surely, 2^66146107 is an apocalyptic number.

66146107 is a deficient number, since it is larger than the sum of its proper divisors (1).

66146107 is an equidigital number, since it uses as much as digits as its factorization.

66146107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 66146107 is about 8133.0256977339. The cubic root of 66146107 is about 404.4219910960.

It can be divided in two parts, 6614 and 6107, that added together give a palindrome (12721).

The spelling of 66146107 in words is "sixty-six million, one hundred forty-six thousand, one hundred seven".