66066311 has 2 divisors, whose sum is σ = 66066312. Its totient is φ = 66066310.

The previous prime is 66066229. The next prime is 66066337. The reversal of 66066311 is 11366066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66066311 - 2¹⁴ = 66049927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66060311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33033155 + 33033156.

It is an arithmetic number, because the mean of its divisors is an integer number (33033156).

Almost surely, 2^66066311 is an apocalyptic number.

66066311 is a deficient number, since it is larger than the sum of its proper divisors (1).

66066311 is an equidigital number, since it uses as much as digits as its factorization.

66066311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 66066311 is about 8128.1185399821. The cubic root of 66066311 is about 404.2592995218.

The spelling of 66066311 in words is "sixty-six million, sixty-six thousand, three hundred eleven".