97668521538103 has 2 divisors, whose sum is σ = 97668521538104. Its totient is φ = 97668521538102.

The previous prime is 97668521538079. The next prime is 97668521538157. The reversal of 97668521538103 is 30183512586679.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97668521538103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97668521532103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48834260769051 + 48834260769052.

It is an arithmetic number, because the mean of its divisors is an integer number (48834260769052).

Almost surely, 2^{97668521538103} is an apocalyptic number.

97668521538103 is a deficient number, since it is larger than the sum of its proper divisors (1).

97668521538103 is an equidigital number, since it uses as much as digits as its factorization.

97668521538103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 97668521538103 in words is "ninety-seven trillion, six hundred sixty-eight billion, five hundred twenty-one million, five hundred thirty-eight thousand, one hundred three".