66114469 has 2 divisors, whose sum is σ = 66114470. Its totient is φ = 66114468.

The previous prime is 66114467. The next prime is 66114473. The reversal of 66114469 is 96441166.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65011969 + 1102500 = 8063^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 66114469 - 2¹ = 66114467 is a prime.

It is a super-2 number, since 2×66114469² = 8742246022303922, which contains 22 as substring.

Together with 66114467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66114463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33057234 + 33057235.

It is an arithmetic number, because the mean of its divisors is an integer number (33057235).

Almost surely, 2^66114469 is an apocalyptic number.

It is an amenable number.

66114469 is a deficient number, since it is larger than the sum of its proper divisors (1).

66114469 is an equidigital number, since it uses as much as digits as its factorization.

66114469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 66114469 is about 8131.0804325133. The cubic root of 66114469 is about 404.3575018208.

The spelling of 66114469 in words is "sixty-six million, one hundred fourteen thousand, four hundred sixty-nine".