41613656781866 has 96 divisors (see below), whose sum is σ = 68255989079040. Its totient is φ = 19018444992768.

The previous prime is 41613656781847. The next prime is 41613656782001. The reversal of 41613656781866 is 66818765631614.

It is a junction number, because it is equal to n+sod(n) for n = 41613656781796 and 41613656781805.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33859768940 + ... + 33859770168.

It is an arithmetic number, because the mean of its divisors is an integer number (710999886240).

Almost surely, 2^{41613656781866} is an apocalyptic number.

41613656781866 is a deficient number, since it is larger than the sum of its proper divisors (26642332297174).

41613656781866 is a wasteful number, since it uses less digits than its factorization.

41613656781866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088 (or 3075 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 68.

The spelling of 41613656781866 in words is "forty-one trillion, six hundred thirteen billion, six hundred fifty-six million, seven hundred eighty-one thousand, eight hundred sixty-six".