667315367667763 has 2 divisors, whose sum is σ = 667315367667764. Its totient is φ = 667315367667762.

The previous prime is 667315367667737. The next prime is 667315367667769. The reversal of 667315367667763 is 367766763513766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667315367667763 is a prime.

It is not a weakly prime, because it can be changed into another prime (667315367667769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333657683833881 + 333657683833882.

It is an arithmetic number, because the mean of its divisors is an integer number (333657683833882).

Almost surely, 2^{667315367667763} is an apocalyptic number.

667315367667763 is a deficient number, since it is larger than the sum of its proper divisors (1).

667315367667763 is an equidigital number, since it uses as much as digits as its factorization.

667315367667763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15122842560, while the sum is 79.

The spelling of 667315367667763 in words is "six hundred sixty-seven trillion, three hundred fifteen billion, three hundred sixty-seven million, six hundred sixty-seven thousand, seven hundred sixty-three".