41066556365 has 16 divisors (see below), whose sum is σ = 49498842096. Its totient is φ = 32707584000.

The previous prime is 41066556343. The next prime is 41066556367. The reversal of 41066556365 is 56365566014.

It can be written as a sum of positive squares in 8 ways, for example, as 2152681609 + 38913874756 = 46397^2 + 197266^2 .

It is not a de Polignac number, because 41066556365 - 2¹² = 41066552269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41066556367) 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, 1024949 + ... + 1064261.

It is an arithmetic number, because the mean of its divisors is an integer number (3093677631).

Almost surely, 2^41066556365 is an apocalyptic number.

It is an amenable number.

41066556365 is a deficient number, since it is larger than the sum of its proper divisors (8432285731).

41066556365 is a wasteful number, since it uses less digits than its factorization.

41066556365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40240.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 41066556365 in words is "forty-one billion, sixty-six million, five hundred fifty-six thousand, three hundred sixty-five".