66026341 has 4 divisors (see below), whose sum is σ = 66768300. Its totient is φ = 65284384.

The previous prime is 66026333. The next prime is 66026357. The reversal of 66026341 is 14362066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14362066 = 2 ⋅7181033.

It can be written as a sum of positive squares in 2 ways, for example, as 20666116 + 45360225 = 4546^2 + 6735^2 .

It is a cyclic number.

It is not a de Polignac number, because 66026341 - 2³ = 66026333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66026321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370846 + ... + 371023.

It is an arithmetic number, because the mean of its divisors is an integer number (16692075).

Almost surely, 2^66026341 is an apocalyptic number.

It is an amenable number.

66026341 is a deficient number, since it is larger than the sum of its proper divisors (741959).

66026341 is an equidigital number, since it uses as much as digits as its factorization.

66026341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741958.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66026341 is about 8125.6594193948. The cubic root of 66026341 is about 404.1777576909.

The spelling of 66026341 in words is "sixty-six million, twenty-six thousand, three hundred forty-one".