41664606677 has 2 divisors, whose sum is σ = 41664606678. Its totient is φ = 41664606676.

The previous prime is 41664606661. The next prime is 41664606707. The reversal of 41664606677 is 77660646614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21534388516 + 20130218161 = 146746^2 + 141881^2 .

It is a cyclic number.

It is not a de Polignac number, because 41664606677 - 2⁴ = 41664606661 is a prime.

It is a super-2 number, since 2×41664606677² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41664606647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20832303338 + 20832303339.

It is an arithmetic number, because the mean of its divisors is an integer number (20832303339).

Almost surely, 2^41664606677 is an apocalyptic number.

It is an amenable number.

41664606677 is a deficient number, since it is larger than the sum of its proper divisors (1).

41664606677 is an equidigital number, since it uses as much as digits as its factorization.

41664606677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 41664606677 in words is "forty-one billion, six hundred sixty-four million, six hundred six thousand, six hundred seventy-seven".