41665091 has 6 divisors (see below), whose sum is σ = 45116820. Its totient is φ = 38459928.

The previous prime is 41665067. The next prime is 41665093. The reversal of 41665091 is 19056614.

41665091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41665091 - 2⁶ = 41665027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41665093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123101 + ... + 123438.

It is an arithmetic number, because the mean of its divisors is an integer number (7519470).

Almost surely, 2^41665091 is an apocalyptic number.

41665091 is a deficient number, since it is larger than the sum of its proper divisors (3451729).

41665091 is a wasteful number, since it uses less digits than its factorization.

41665091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246565 (or 246552 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 41665091 is about 6454.8501919100. The cubic root of 41665091 is about 346.6762670952.

The spelling of 41665091 in words is "forty-one million, six hundred sixty-five thousand, ninety-one".