66366341 has 4 divisors (see below), whose sum is σ = 66394284. Its totient is φ = 66338400.

The previous prime is 66366281. The next prime is 66366347. The reversal of 66366341 is 14366366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54081316 + 12285025 = 7354^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 66366341 - 2⁶ = 66366277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66366347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10040 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (16598571).

Almost surely, 2^66366341 is an apocalyptic number.

It is an amenable number.

66366341 is a deficient number, since it is larger than the sum of its proper divisors (27943).

66366341 is a wasteful number, since it uses less digits than its factorization.

66366341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27942.

The product of its digits is 46656, while the sum is 35.

The square root of 66366341 is about 8146.5539340263. The cubic root of 66366341 is about 404.8703359746.

The spelling of 66366341 in words is "sixty-six million, three hundred sixty-six thousand, three hundred forty-one".