66459011 has 2 divisors, whose sum is σ = 66459012. Its totient is φ = 66459010.

The previous prime is 66459007. The next prime is 66459031. The reversal of 66459011 is 11095466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66459011 - 2² = 66459007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66459031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33229505 + 33229506.

It is an arithmetic number, because the mean of its divisors is an integer number (33229506).

Almost surely, 2^66459011 is an apocalyptic number.

66459011 is a deficient number, since it is larger than the sum of its proper divisors (1).

66459011 is an equidigital number, since it uses as much as digits as its factorization.

66459011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 66459011 is about 8152.2396309235. The cubic root of 66459011 is about 405.0586939270.

The spelling of 66459011 in words is "sixty-six million, four hundred fifty-nine thousand, eleven".