41658782561 has 8 divisors (see below), whose sum is σ = 45538508448. Its totient is φ = 37794484000.

The previous prime is 41658782533. The next prime is 41658782567. The reversal of 41658782561 is 16528785614.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41658782561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41658782567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851180 + ... + 3861981.

It is an arithmetic number, because the mean of its divisors is an integer number (5692313556).

Almost surely, 2^41658782561 is an apocalyptic number.

It is an amenable number.

41658782561 is a deficient number, since it is larger than the sum of its proper divisors (3879725887).

41658782561 is a wasteful number, since it uses less digits than its factorization.

41658782561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713663.

The product of its digits is 3225600, while the sum is 53.

The spelling of 41658782561 in words is "forty-one billion, six hundred fifty-eight million, seven hundred eighty-two thousand, five hundred sixty-one".