41606561 has 8 divisors (see below), whose sum is σ = 45307200. Its totient is φ = 38057040.

The previous prime is 41606533. The next prime is 41606657. The reversal of 41606561 is 16560614.

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 41606561 - 2¹⁸ = 41344417 is a prime.

It is a super-2 number, since 2×41606561² = 3462211836493442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41006561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37205 + ... + 38306.

It is an arithmetic number, because the mean of its divisors is an integer number (5663400).

Almost surely, 2^41606561 is an apocalyptic number.

It is an amenable number.

41606561 is a deficient number, since it is larger than the sum of its proper divisors (3700639).

41606561 is a wasteful number, since it uses less digits than its factorization.

41606561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75559.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 41606561 is about 6450.3147985195. The cubic root of 41606561 is about 346.5138571877.

The spelling of 41606561 in words is "forty-one million, six hundred six thousand, five hundred sixty-one".