97112121161663 has 2 divisors, whose sum is σ = 97112121161664. Its totient is φ = 97112121161662.

The previous prime is 97112121161593. The next prime is 97112121161689. The reversal of 97112121161663 is 36616112121179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97112121161663 - 2³⁰ = 97111047419839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97112121161963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48556060580831 + 48556060580832.

It is an arithmetic number, because the mean of its divisors is an integer number (48556060580832).

Almost surely, 2^{97112121161663} is an apocalyptic number.

97112121161663 is a deficient number, since it is larger than the sum of its proper divisors (1).

97112121161663 is an equidigital number, since it uses as much as digits as its factorization.

97112121161663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 47.

The spelling of 97112121161663 in words is "ninety-seven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred sixty-one thousand, six hundred sixty-three".