8116916149 has 2 divisors, whose sum is σ = 8116916150. Its totient is φ = 8116916148.

The previous prime is 8116916141. The next prime is 8116916161. The reversal of 8116916149 is 9416196118.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5918994225 + 2197921924 = 76935^2 + 46882^2 .

It is a cyclic number.

It is not a de Polignac number, because 8116916149 - 2³ = 8116916141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8116916099 and 8116916108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8116916141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058458074 + 4058458075.

It is an arithmetic number, because the mean of its divisors is an integer number (4058458075).

Almost surely, 2^8116916149 is an apocalyptic number.

It is an amenable number.

8116916149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8116916149 is an equidigital number, since it uses as much as digits as its factorization.

8116916149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 46.

The square root of 8116916149 is about 90093.9295901783. The cubic root of 8116916149 is about 2009.6959309181.

The spelling of 8116916149 in words is "eight billion, one hundred sixteen million, nine hundred sixteen thousand, one hundred forty-nine".