7168918157663 has 2 divisors, whose sum is σ = 7168918157664. Its totient is φ = 7168918157662.

The previous prime is 7168918157651. The next prime is 7168918157719. The reversal of 7168918157663 is 3667518198617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7168918157663 - 2¹⁰ = 7168918156639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7168918157593 and 7168918157602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7168918157633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3584459078831 + 3584459078832.

It is an arithmetic number, because the mean of its divisors is an integer number (3584459078832).

Almost surely, 2^{7168918157663} is an apocalyptic number.

7168918157663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7168918157663 is an equidigital number, since it uses as much as digits as its factorization.

7168918157663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 68.

The spelling of 7168918157663 in words is "seven trillion, one hundred sixty-eight billion, nine hundred eighteen million, one hundred fifty-seven thousand, six hundred sixty-three".