8116576691 has 2 divisors, whose sum is σ = 8116576692. Its totient is φ = 8116576690.

The previous prime is 8116576661. The next prime is 8116576703. The reversal of 8116576691 is 1966756118.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8116576691 - 2¹⁴ = 8116560307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8116576661) 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, 4058288345 + 4058288346.

It is an arithmetic number, because the mean of its divisors is an integer number (4058288346).

Almost surely, 2^8116576691 is an apocalyptic number.

8116576691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8116576691 is an equidigital number, since it uses as much as digits as its factorization.

8116576691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 8116576691 is about 90092.0456588705. The cubic root of 8116576691 is about 2009.6679146592.

The spelling of 8116576691 in words is "eight billion, one hundred sixteen million, five hundred seventy-six thousand, six hundred ninety-one".