41661626605 has 8 divisors (see below), whose sum is σ = 49995048672. Its totient is φ = 33328570128.

The previous prime is 41661626597. The next prime is 41661626627. The reversal of 41661626605 is 50662616614.

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

It is a cyclic number.

It is not a de Polignac number, because 41661626605 - 2³ = 41661626597 is a prime.

It is a super-2 number, since 2×41661626605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386242 + ... + 482188.

It is an arithmetic number, because the mean of its divisors is an integer number (6249381084).

Almost surely, 2^41661626605 is an apocalyptic number.

It is an amenable number.

41661626605 is a deficient number, since it is larger than the sum of its proper divisors (8333422067).

41661626605 is an equidigital number, since it uses as much as digits as its factorization.

41661626605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182795.

The product of its (nonzero) digits is 311040, while the sum is 43.

Subtracting 41661626605 from its reverse (50662616614), we obtain a palindrome (9000990009).

The spelling of 41661626605 in words is "forty-one billion, six hundred sixty-one million, six hundred twenty-six thousand, six hundred five".