41661566455 has 16 divisors (see below), whose sum is σ = 50951208960. Its totient is φ = 32693478048.

The previous prime is 41661566449. The next prime is 41661566497. The reversal of 41661566455 is 55466516614.

It is a cyclic number.

It is not a de Polignac number, because 41661566455 - 2²¹ = 41659469303 is a prime.

It is a super-2 number, since 2×41661566455² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41661566399 and 41661566408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15927 + ... + 289096.

It is an arithmetic number, because the mean of its divisors is an integer number (3184450560).

Almost surely, 2^41661566455 is an apocalyptic number.

41661566455 is a deficient number, since it is larger than the sum of its proper divisors (9289642505).

41661566455 is a wasteful number, since it uses less digits than its factorization.

41661566455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305550.

The product of its digits is 2592000, while the sum is 49.

The spelling of 41661566455 in words is "forty-one billion, six hundred sixty-one million, five hundred sixty-six thousand, four hundred fifty-five".