66460211 has 2 divisors, whose sum is σ = 66460212. Its totient is φ = 66460210.

The previous prime is 66460111. The next prime is 66460213. The reversal of 66460211 is 11206466.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66460211 - 2¹⁰ = 66459187 is a prime.

Together with 66460213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66460213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33230105 + 33230106.

It is an arithmetic number, because the mean of its divisors is an integer number (33230106).

Almost surely, 2^66460211 is an apocalyptic number.

66460211 is a deficient number, since it is larger than the sum of its proper divisors (1).

66460211 is an equidigital number, since it uses as much as digits as its factorization.

66460211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 66460211 is about 8152.3132299980. The cubic root of 66460211 is about 405.0611318583.

Adding to 66460211 its reverse (11206466), we get a palindrome (77666677).

The spelling of 66460211 in words is "sixty-six million, four hundred sixty thousand, two hundred eleven".