41663680651 has 16 divisors (see below), whose sum is σ = 43228170720. Its totient is φ = 40122950400.

The previous prime is 41663680621. The next prime is 41663680679. The reversal of 41663680651 is 15608636614.

It is a cyclic number.

It is not a de Polignac number, because 41663680651 - 2⁹ = 41663680139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41663680601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5146615 + ... + 5154703.

It is an arithmetic number, because the mean of its divisors is an integer number (2701760670).

Almost surely, 2^41663680651 is an apocalyptic number.

41663680651 is a deficient number, since it is larger than the sum of its proper divisors (1564490069).

41663680651 is a wasteful number, since it uses less digits than its factorization.

41663680651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 41663680651 in words is "forty-one billion, six hundred sixty-three million, six hundred eighty thousand, six hundred fifty-one".