8116447541 has 2 divisors, whose sum is σ = 8116447542. Its totient is φ = 8116447540.

The previous prime is 8116447523. The next prime is 8116447543. The reversal of 8116447541 is 1457446118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8073741316 + 42706225 = 89854^2 + 6535^2 .

It is a cyclic number.

It is not a de Polignac number, because 8116447541 - 2³⁰ = 7042705717 is a prime.

Together with 8116447543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8116447543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058223770 + 4058223771.

It is an arithmetic number, because the mean of its divisors is an integer number (4058223771).

Almost surely, 2^8116447541 is an apocalyptic number.

It is an amenable number.

8116447541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8116447541 is an equidigital number, since it uses as much as digits as its factorization.

8116447541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 8116447541 is about 90091.3288890779. The cubic root of 8116447541 is about 2009.6572554040.

The spelling of 8116447541 in words is "eight billion, one hundred sixteen million, four hundred forty-seven thousand, five hundred forty-one".