8161127147 has 2 divisors, whose sum is σ = 8161127148. Its totient is φ = 8161127146.

The previous prime is 8161127137. The next prime is 8161127159. The reversal of 8161127147 is 7417211618.

8161127147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8161127147 - 2⁸ = 8161126891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8161127147.

It is not a weakly prime, because it can be changed into another prime (8161127137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080563573 + 4080563574.

It is an arithmetic number, because the mean of its divisors is an integer number (4080563574).

Almost surely, 2^8161127147 is an apocalyptic number.

8161127147 is a deficient number, since it is larger than the sum of its proper divisors (1).

8161127147 is an equidigital number, since it uses as much as digits as its factorization.

8161127147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 38.

The square root of 8161127147 is about 90338.9569731686. The cubic root of 8161127147 is about 2013.3381118923.

The spelling of 8161127147 in words is "eight billion, one hundred sixty-one million, one hundred twenty-seven thousand, one hundred forty-seven".