66332411 has 2 divisors, whose sum is σ = 66332412. Its totient is φ = 66332410.

The previous prime is 66332407. The next prime is 66332417. The reversal of 66332411 is 11423366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66332411 - 2² = 66332407 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66332417) 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, 33166205 + 33166206.

It is an arithmetic number, because the mean of its divisors is an integer number (33166206).

Almost surely, 2^66332411 is an apocalyptic number.

66332411 is a deficient number, since it is larger than the sum of its proper divisors (1).

66332411 is an equidigital number, since it uses as much as digits as its factorization.

66332411 is an odious number, because the sum of its binary digits is odd.

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

The square root of 66332411 is about 8144.4711921647. The cubic root of 66332411 is about 404.8013271365.

Adding to 66332411 its reverse (11423366), we get a palindrome (77755777).

The spelling of 66332411 in words is "sixty-six million, three hundred thirty-two thousand, four hundred eleven".