131166768599 has 2 divisors, whose sum is σ = 131166768600. Its totient is φ = 131166768598.

The previous prime is 131166768589. The next prime is 131166768671. The reversal of 131166768599 is 995867661131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131166768599 is a prime.

It is a super-2 number, since 2×131166768599² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131166768559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65583384299 + 65583384300.

It is an arithmetic number, because the mean of its divisors is an integer number (65583384300).

Almost surely, 2^131166768599 is an apocalyptic number.

131166768599 is a deficient number, since it is larger than the sum of its proper divisors (1).

131166768599 is an equidigital number, since it uses as much as digits as its factorization.

131166768599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 62.

The spelling of 131166768599 in words is "one hundred thirty-one billion, one hundred sixty-six million, seven hundred sixty-eight thousand, five hundred ninety-nine".