41664613 has 4 divisors (see below), whose sum is σ = 41707648. Its totient is φ = 41621580.

The previous prime is 41664551. The next prime is 41664617. The reversal of 41664613 is 31646614.

41664613 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41664613 - 2⁹ = 41664101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41664617) 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 3 ways as a sum of consecutive naturals, for example, 20031 + ... + 22012.

It is an arithmetic number, because the mean of its divisors is an integer number (10426912).

Almost surely, 2^41664613 is an apocalyptic number.

It is an amenable number.

41664613 is a deficient number, since it is larger than the sum of its proper divisors (43035).

41664613 is an equidigital number, since it uses as much as digits as its factorization.

41664613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43034.

The product of its digits is 10368, while the sum is 31.

The square root of 41664613 is about 6454.8131653829. The cubic root of 41664613 is about 346.6749413500.

The spelling of 41664613 in words is "forty-one million, six hundred sixty-four thousand, six hundred thirteen".