41664638 has 16 divisors (see below), whose sum is σ = 65953440. Its totient is φ = 19700736.

The previous prime is 41664629. The next prime is 41664641. The reversal of 41664638 is 83646614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 9182.

It is an arithmetic number, because the mean of its divisors is an integer number (4122090).

Almost surely, 2^41664638 is an apocalyptic number.

41664638 is a deficient number, since it is larger than the sum of its proper divisors (24288802).

41664638 is a wasteful number, since it uses less digits than its factorization.

41664638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291.

The product of its digits is 82944, while the sum is 38.

The square root of 41664638 is about 6454.8151019220. The cubic root of 41664638 is about 346.6750106884.

The spelling of 41664638 in words is "forty-one million, six hundred sixty-four thousand, six hundred thirty-eight".