66410341641 has 48 divisors (see below), whose sum is σ = 119673881600. Its totient is φ = 35951445648.

The previous prime is 66410341597. The next prime is 66410341661. The reversal of 66410341641 is 14614301466.

66410341641 is a `hidden beast` number, since 6 + 6 + 4 + 1 + 0 + 3 + 4 + 1 + 641 = 666.

It is not a de Polignac number, because 66410341641 - 2⁷ = 66410341513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66410341596 and 66410341605.

It is not an unprimeable number, because it can be changed into a prime (66410341661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 995101 + ... + 1059738.

Almost surely, 2^66410341641 is an apocalyptic number.

It is an amenable number.

66410341641 is a deficient number, since it is larger than the sum of its proper divisors (53263539959).

66410341641 is a wasteful number, since it uses less digits than its factorization.

66410341641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054880 (or 2054868 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 66410341641 in words is "sixty-six billion, four hundred ten million, three hundred forty-one thousand, six hundred forty-one".