666341 has 4 divisors (see below), whose sum is σ = 717612. Its totient is φ = 615072.

The previous prime is 666329. The next prime is 666353. The reversal of 666341 is 143666.

666341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (666329) and next prime (666353).

It can be written as a sum of positive squares in 2 ways, for example, as 73441 + 592900 = 271^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 666341 - 2⁶ = 666277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 666341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666301) 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, 25616 + ... + 25641.

It is an arithmetic number, because the mean of its divisors is an integer number (179403).

2⁶⁶⁶³⁴¹ is an apocalyptic number.

It is an amenable number.

666341 is a deficient number, since it is larger than the sum of its proper divisors (51271).

666341 is a wasteful number, since it uses less digits than its factorization.

666341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51270.

The product of its digits is 2592, while the sum is 26.

The square root of 666341 is about 816.2971272766. The cubic root of 666341 is about 87.3438193548.

The spelling of 666341 in words is "six hundred sixty-six thousand, three hundred forty-one".