66366359 has 2 divisors, whose sum is σ = 66366360. Its totient is φ = 66366358.

The previous prime is 66366347. The next prime is 66366367. The reversal of 66366359 is 95366366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66366359 - 2²⁴ = 49589143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66366389) 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, 33183179 + 33183180.

It is an arithmetic number, because the mean of its divisors is an integer number (33183180).

Almost surely, 2^66366359 is an apocalyptic number.

66366359 is a deficient number, since it is larger than the sum of its proper divisors (1).

66366359 is an equidigital number, since it uses as much as digits as its factorization.

66366359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 44.

The square root of 66366359 is about 8146.5550387879. Note that the first 3 decimals coincide. The cubic root of 66366359 is about 404.8703725778.

The spelling of 66366359 in words is "sixty-six million, three hundred sixty-six thousand, three hundred fifty-nine".