448768127161 has 4 divisors (see below), whose sum is σ = 448802562852. Its totient is φ = 448733691472.

The previous prime is 448768127153. The next prime is 448768127173. The reversal of 448768127161 is 161721867844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142910461225 + 305857665936 = 378035^2 + 553044^2 .

It is a cyclic number.

It is not a de Polignac number, because 448768127161 - 2³ = 448768127153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448768127761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17198290 + ... + 17224363.

It is an arithmetic number, because the mean of its divisors is an integer number (112200640713).

Almost surely, 2^448768127161 is an apocalyptic number.

It is an amenable number.

448768127161 is a deficient number, since it is larger than the sum of its proper divisors (34435691).

448768127161 is a wasteful number, since it uses less digits than its factorization.

448768127161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34435690.

The product of its digits is 3612672, while the sum is 55.

The spelling of 448768127161 in words is "four hundred forty-eight billion, seven hundred sixty-eight million, one hundred twenty-seven thousand, one hundred sixty-one".