41666243 has 4 divisors (see below), whose sum is σ = 43103040. Its totient is φ = 40229448.

The previous prime is 41666227. The next prime is 41666257. The reversal of 41666243 is 34266614.

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

It is a cyclic number.

It is not a de Polignac number, because 41666243 - 2⁴ = 41666227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41660243) 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, 718355 + ... + 718412.

It is an arithmetic number, because the mean of its divisors is an integer number (10775760).

Almost surely, 2^41666243 is an apocalyptic number.

41666243 is a deficient number, since it is larger than the sum of its proper divisors (1436797).

41666243 is a wasteful number, since it uses less digits than its factorization.

41666243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436796.

The product of its digits is 20736, while the sum is 32.

The square root of 41666243 is about 6454.9394265167. The cubic root of 41666243 is about 346.6794621551.

The spelling of 41666243 in words is "forty-one million, six hundred sixty-six thousand, two hundred forty-three".