41065666 has 4 divisors (see below), whose sum is σ = 61598502. Its totient is φ = 20532832.

The previous prime is 41065601. The next prime is 41065679. The reversal of 41065666 is 66656014.

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

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 11417641 = 5445^2 + 3379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10266415 + ... + 10266418.

Almost surely, 2^41065666 is an apocalyptic number.

41065666 is a deficient number, since it is larger than the sum of its proper divisors (20532836).

41065666 is a wasteful number, since it uses less digits than its factorization.

41065666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20532835.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 41065666 is about 6408.2498390746. The cubic root of 41065666 is about 345.0057157913.

The spelling of 41065666 in words is "forty-one million, sixty-five thousand, six hundred sixty-six".