66114311 has 2 divisors, whose sum is σ = 66114312. Its totient is φ = 66114310.

The previous prime is 66114299. The next prime is 66114313. The reversal of 66114311 is 11341166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66114311 - 2⁶ = 66114247 is a prime.

It is a super-2 number, since 2×66114311² = 8742204238009442, which contains 22 as substring.

Together with 66114313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66114313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33057155 + 33057156.

It is an arithmetic number, because the mean of its divisors is an integer number (33057156).

Almost surely, 2^66114311 is an apocalyptic number.

66114311 is a deficient number, since it is larger than the sum of its proper divisors (1).

66114311 is an equidigital number, since it uses as much as digits as its factorization.

66114311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 66114311 is about 8131.0707167015. The cubic root of 66114311 is about 404.3571797101.

Adding to 66114311 its reverse (11341166), we get a palindrome (77455477).

The spelling of 66114311 in words is "sixty-six million, one hundred fourteen thousand, three hundred eleven".