41665005 has 24 divisors (see below), whose sum is σ = 76021920. Its totient is φ = 21051360.

The previous prime is 41664989. The next prime is 41665007. The reversal of 41665005 is 50056614.

It is a happy number.

41665005 is a `hidden beast` number, since 4 + 1 + 6 + 650 + 0 + 5 = 666.

It is not a de Polignac number, because 41665005 - 2⁴ = 41664989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41665005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41665007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23511 + ... + 25220.

It is an arithmetic number, because the mean of its divisors is an integer number (3167580).

Almost surely, 2^41665005 is an apocalyptic number.

41665005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41665005 is a deficient number, since it is larger than the sum of its proper divisors (34356915).

41665005 is a wasteful number, since it uses less digits than its factorization.

41665005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48761 (or 48758 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 41665005 is about 6454.8435302492. The cubic root of 41665005 is about 346.6760285728.

The spelling of 41665005 in words is "forty-one million, six hundred sixty-five thousand, five".