41566204440623 has 2 divisors, whose sum is σ = 41566204440624. Its totient is φ = 41566204440622.

The previous prime is 41566204440559. The next prime is 41566204440743. The reversal of 41566204440623 is 32604440266514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41566204440623 - 2⁶ = 41566204440559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41566204440823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20783102220311 + 20783102220312.

It is an arithmetic number, because the mean of its divisors is an integer number (20783102220312).

Almost surely, 2^{41566204440623} is an apocalyptic number.

41566204440623 is a deficient number, since it is larger than the sum of its proper divisors (1).

41566204440623 is an equidigital number, since it uses as much as digits as its factorization.

41566204440623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 41566204440623 in words is "forty-one trillion, five hundred sixty-six billion, two hundred four million, four hundred forty thousand, six hundred twenty-three".