8048187128161 has 4 divisors (see below), whose sum is σ = 8471775924400. Its totient is φ = 7624598331924.

The previous prime is 8048187128159. The next prime is 8048187128197. The reversal of 8048187128161 is 1618217818408.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8048187128161 - 2¹ = 8048187128159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8048187128461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211794398091 + ... + 211794398128.

It is an arithmetic number, because the mean of its divisors is an integer number (2117943981100).

Almost surely, 2^{8048187128161} is an apocalyptic number.

It is an amenable number.

8048187128161 is a deficient number, since it is larger than the sum of its proper divisors (423588796239).

8048187128161 is a wasteful number, since it uses less digits than its factorization.

8048187128161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423588796238.

The product of its (nonzero) digits is 1376256, while the sum is 55.

The spelling of 8048187128161 in words is "eight trillion, forty-eight billion, one hundred eighty-seven million, one hundred twenty-eight thousand, one hundred sixty-one".