116618464813 has 2 divisors, whose sum is σ = 116618464814. Its totient is φ = 116618464812.

The previous prime is 116618464801. The next prime is 116618464843. The reversal of 116618464813 is 318464816611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103258110244 + 13360354569 = 321338^2 + 115587^2 .

It is a cyclic number.

It is not a de Polignac number, because 116618464813 - 2⁹ = 116618464301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116618464843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58309232406 + 58309232407.

It is an arithmetic number, because the mean of its divisors is an integer number (58309232407).

Almost surely, 2^116618464813 is an apocalyptic number.

It is an amenable number.

116618464813 is a deficient number, since it is larger than the sum of its proper divisors (1).

116618464813 is an equidigital number, since it uses as much as digits as its factorization.

116618464813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 49.

The spelling of 116618464813 in words is "one hundred sixteen billion, six hundred eighteen million, four hundred sixty-four thousand, eight hundred thirteen".