66080303 has 2 divisors, whose sum is σ = 66080304. Its totient is φ = 66080302.

The previous prime is 66080297. The next prime is 66080321. The reversal of 66080303 is 30308066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66080303 - 2⁶ = 66080239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66080323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33040151 + 33040152.

It is an arithmetic number, because the mean of its divisors is an integer number (33040152).

Almost surely, 2^66080303 is an apocalyptic number.

66080303 is a deficient number, since it is larger than the sum of its proper divisors (1).

66080303 is an equidigital number, since it uses as much as digits as its factorization.

66080303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66080303 is about 8128.9792102084. The cubic root of 66080303 is about 404.2878364910.

Adding to 66080303 its reverse (30308066), we get a palindrome (96388369).

The spelling of 66080303 in words is "sixty-six million, eighty thousand, three hundred three".