41664556165 has 8 divisors (see below), whose sum is σ = 52938495000. Its totient is φ = 31370959872.

The previous prime is 41664556151. The next prime is 41664556183. The reversal of 41664556165 is 56165546614.

41664556165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3352757409 + 38311798756 = 57903^2 + 195734^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41664556165 - 2⁵ = 41664556133 is a prime.

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, 245085540 + ... + 245085709.

It is an arithmetic number, because the mean of its divisors is an integer number (6617311875).

Almost surely, 2^41664556165 is an apocalyptic number.

It is an amenable number.

41664556165 is a deficient number, since it is larger than the sum of its proper divisors (11273938835).

41664556165 is a wasteful number, since it uses less digits than its factorization.

41664556165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490171271.

The product of its digits is 2592000, while the sum is 49.

The spelling of 41664556165 in words is "forty-one billion, six hundred sixty-four million, five hundred fifty-six thousand, one hundred sixty-five".