5668116491 has 2 divisors, whose sum is σ = 5668116492. Its totient is φ = 5668116490.

The previous prime is 5668116449. The next prime is 5668116533. The reversal of 5668116491 is 1946118665.

It is a balanced prime because it is at equal distance from previous prime (5668116449) and next prime (5668116533).

It is a cyclic number.

It is not a de Polignac number, because 5668116491 - 2¹⁴ = 5668100107 is a prime.

It is not a weakly prime, because it can be changed into another prime (5668116431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834058245 + 2834058246.

It is an arithmetic number, because the mean of its divisors is an integer number (2834058246).

Almost surely, 2^5668116491 is an apocalyptic number.

5668116491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668116491 is an equidigital number, since it uses as much as digits as its factorization.

5668116491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 5668116491 is about 75286.8945501141. The cubic root of 5668116491 is about 1782.9791136881.

The spelling of 5668116491 in words is "five billion, six hundred sixty-eight million, one hundred sixteen thousand, four hundred ninety-one".