66350411 has 2 divisors, whose sum is σ = 66350412. Its totient is φ = 66350410.

The previous prime is 66350407. The next prime is 66350477. The reversal of 66350411 is 11405366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66350411 - 2² = 66350407 is a prime.

It is not a weakly prime, because it can be changed into another prime (66350491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33175205 + 33175206.

It is an arithmetic number, because the mean of its divisors is an integer number (33175206).

Almost surely, 2^66350411 is an apocalyptic number.

66350411 is a deficient number, since it is larger than the sum of its proper divisors (1).

66350411 is an equidigital number, since it uses as much as digits as its factorization.

66350411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 66350411 is about 8145.5761613283. The cubic root of 66350411 is about 404.8379395295.

Adding to 66350411 its reverse (11405366), we get a palindrome (77755777).

The spelling of 66350411 in words is "sixty-six million, three hundred fifty thousand, four hundred eleven".