97116616833991 has 2 divisors, whose sum is σ = 97116616833992. Its totient is φ = 97116616833990.

The previous prime is 97116616833941. The next prime is 97116616834009. The reversal of 97116616833991 is 19933861661179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97116616833991 - 2¹⁵ = 97116616801223 is a prime.

It is a super-3 number, since 3×97116616833991³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97116616833991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97116616833941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48558308416995 + 48558308416996.

It is an arithmetic number, because the mean of its divisors is an integer number (48558308416996).

Almost surely, 2^{97116616833991} is an apocalyptic number.

97116616833991 is a deficient number, since it is larger than the sum of its proper divisors (1).

97116616833991 is an equidigital number, since it uses as much as digits as its factorization.

97116616833991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79361856, while the sum is 70.

The spelling of 97116616833991 in words is "ninety-seven trillion, one hundred sixteen billion, six hundred sixteen million, eight hundred thirty-three thousand, nine hundred ninety-one".