268116699637 has 2 divisors, whose sum is σ = 268116699638. Its totient is φ = 268116699636.

The previous prime is 268116699629. The next prime is 268116699661. The reversal of 268116699637 is 736996611862.

268116699637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135007744356 + 133108955281 = 367434^2 + 364841^2 .

It is a cyclic number.

It is not a de Polignac number, because 268116699637 - 2³ = 268116699629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268116699937) 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, 134058349818 + 134058349819.

It is an arithmetic number, because the mean of its divisors is an integer number (134058349819).

Almost surely, 2^268116699637 is an apocalyptic number.

It is an amenable number.

268116699637 is a deficient number, since it is larger than the sum of its proper divisors (1).

268116699637 is an equidigital number, since it uses as much as digits as its factorization.

268116699637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 64.

The spelling of 268116699637 in words is "two hundred sixty-eight billion, one hundred sixteen million, six hundred ninety-nine thousand, six hundred thirty-seven".