66014419 has 2 divisors, whose sum is σ = 66014420. Its totient is φ = 66014418.

The previous prime is 66014413. The next prime is 66014449. The reversal of 66014419 is 91441066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66014419 - 2¹¹ = 66012371 is a prime.

It is a super-2 number, since 2×66014419² = 8715807031815122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66014413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33007209 + 33007210.

It is an arithmetic number, because the mean of its divisors is an integer number (33007210).

Almost surely, 2^66014419 is an apocalyptic number.

66014419 is a deficient number, since it is larger than the sum of its proper divisors (1).

66014419 is an equidigital number, since it uses as much as digits as its factorization.

66014419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 66014419 is about 8124.9257842764. The cubic root of 66014419 is about 404.1534295354.

The spelling of 66014419 in words is "sixty-six million, fourteen thousand, four hundred nineteen".