116618464861 has 2 divisors, whose sum is σ = 116618464862. Its totient is φ = 116618464860.

The previous prime is 116618464847. The next prime is 116618464867. The reversal of 116618464861 is 168464816611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64563760836 + 52054704025 = 254094^2 + 228155^2 .

It is a cyclic number.

It is not a de Polignac number, because 116618464861 - 2¹¹ = 116618462813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116618464799 and 116618464808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116618464867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58309232430 + 58309232431.

It is an arithmetic number, because the mean of its divisors is an integer number (58309232431).

Almost surely, 2^116618464861 is an apocalyptic number.

It is an amenable number.

116618464861 is a deficient number, since it is larger than the sum of its proper divisors (1).

116618464861 is an equidigital number, since it uses as much as digits as its factorization.

116618464861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 52.

The spelling of 116618464861 in words is "one hundred sixteen billion, six hundred eighteen million, four hundred sixty-four thousand, eight hundred sixty-one".