66132307 has 2 divisors, whose sum is σ = 66132308. Its totient is φ = 66132306.

The previous prime is 66132281. The next prime is 66132343. The reversal of 66132307 is 70323166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66132307 - 2¹⁹ = 65608019 is a prime.

It is not a weakly prime, because it can be changed into another prime (66132377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33066153 + 33066154.

It is an arithmetic number, because the mean of its divisors is an integer number (33066154).

Almost surely, 2^66132307 is an apocalyptic number.

66132307 is a deficient number, since it is larger than the sum of its proper divisors (1).

66132307 is an equidigital number, since it uses as much as digits as its factorization.

66132307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 66132307 is about 8132.1772607341. The cubic root of 66132307 is about 404.3938644135.

The spelling of 66132307 in words is "sixty-six million, one hundred thirty-two thousand, three hundred seven".