41556683165569 has 16 divisors (see below), whose sum is σ = 48824577365760. Its totient is φ = 34870784117760.

The previous prime is 41556683165563. The next prime is 41556683165579. The reversal of 41556683165569 is 96556138665514.

It is a cyclic number.

It is not a de Polignac number, because 41556683165569 - 2⁷ = 41556683165441 is a prime.

It is a super-2 number, since 2×41556683165569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41556683165498 and 41556683165507.

It is not an unprimeable number, because it can be changed into a prime (41556683165563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5594272 + ... + 10696225.

It is an arithmetic number, because the mean of its divisors is an integer number (3051536085360).

Almost surely, 2^{41556683165569} is an apocalyptic number.

It is an amenable number.

41556683165569 is a deficient number, since it is larger than the sum of its proper divisors (7267894200191).

41556683165569 is a wasteful number, since it uses less digits than its factorization.

41556683165569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308360.

The product of its digits is 699840000, while the sum is 70.

Subtracting 41556683165569 from its reverse (96556138665514), we obtain a palindrome (54999455499945).

It can be divided in two parts, 4155668 and 3165569, that added together give a palindrome (7321237).

The spelling of 41556683165569 in words is "forty-one trillion, five hundred fifty-six billion, six hundred eighty-three million, one hundred sixty-five thousand, five hundred sixty-nine".