76660550663 has 2 divisors, whose sum is σ = 76660550664. Its totient is φ = 76660550662.

The previous prime is 76660550651. The next prime is 76660550677. The reversal of 76660550663 is 36605506667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76660550663 - 2¹⁸ = 76660288519 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76660550563) 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 as a sum of consecutive naturals, namely, 38330275331 + 38330275332.

It is an arithmetic number, because the mean of its divisors is an integer number (38330275332).

Almost surely, 2^76660550663 is an apocalyptic number.

76660550663 is a deficient number, since it is larger than the sum of its proper divisors (1).

76660550663 is an equidigital number, since it uses as much as digits as its factorization.

76660550663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 76660550663 in words is "seventy-six billion, six hundred sixty million, five hundred fifty thousand, six hundred sixty-three".