1168448578663 has 2 divisors, whose sum is σ = 1168448578664. Its totient is φ = 1168448578662.

The previous prime is 1168448578639. The next prime is 1168448578771. The reversal of 1168448578663 is 3668758448611.

It is a weak prime.

It is an emirp because it is prime and its reverse (3668758448611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168448578663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168448518663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584224289331 + 584224289332.

It is an arithmetic number, because the mean of its divisors is an integer number (584224289332).

Almost surely, 2^{1168448578663} is an apocalyptic number.

1168448578663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168448578663 is an equidigital number, since it uses as much as digits as its factorization.

1168448578663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185794560, while the sum is 67.

The spelling of 1168448578663 in words is "one trillion, one hundred sixty-eight billion, four hundred forty-eight million, five hundred seventy-eight thousand, six hundred sixty-three".