11766646063 has 2 divisors, whose sum is σ = 11766646064. Its totient is φ = 11766646062.

The previous prime is 11766646019. The next prime is 11766646081. The reversal of 11766646063 is 36064666711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11766646063 - 2¹³ = 11766637871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11766346063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883323031 + 5883323032.

It is an arithmetic number, because the mean of its divisors is an integer number (5883323032).

Almost surely, 2^11766646063 is an apocalyptic number.

11766646063 is a deficient number, since it is larger than the sum of its proper divisors (1).

11766646063 is an equidigital number, since it uses as much as digits as its factorization.

11766646063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 11766646063 in words is "eleven billion, seven hundred sixty-six million, six hundred forty-six thousand, sixty-three".