5422780161 has 12 divisors (see below), whose sum is σ = 7835865492. Its totient is φ = 3613820256.

The previous prime is 5422780159. The next prime is 5422780217. The reversal of 5422780161 is 1610872245.

5422780161 is a `hidden beast` number, since 5 + 422 + 78 + 0 + 161 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2065157136 + 3357623025 = 45444^2 + 57945^2 .

It is not a de Polignac number, because 5422780161 - 2¹ = 5422780159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5422780141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88446 + ... + 136631.

It is an arithmetic number, because the mean of its divisors is an integer number (652988791).

Almost surely, 2^5422780161 is an apocalyptic number.

It is an amenable number.

5422780161 is a deficient number, since it is larger than the sum of its proper divisors (2413085331).

5422780161 is a wasteful number, since it uses less digits than its factorization.

5422780161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227760 (or 227757 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 5422780161 is about 73639.5285223907. The cubic root of 5422780161 is about 1756.8742039825.

The spelling of 5422780161 in words is "five billion, four hundred twenty-two million, seven hundred eighty thousand, one hundred sixty-one".