561674464476165 has 24 divisors (see below), whose sum is σ = 973976593532280. Its totient is φ = 299434323072384.

The previous prime is 561674464476157. The next prime is 561674464476253.

561674464476165 is a `hidden beast` number, since 5 + 6 + 1 + 6 + 7 + 4 + 464 + 47 + 61 + 65 = 666.

561674464476165 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 683017949601 + 560991446526564 = 826449^2 + 23685258^2 .

It is not a de Polignac number, because 561674464476165 - 2³ = 561674464476157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561674464476093 and 561674464476102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2612210362 + ... + 2612425371.

It is an arithmetic number, because the mean of its divisors is an integer number (40582358063845).

Almost surely, 2^{561674464476165} is an apocalyptic number.

It is an amenable number.

561674464476165 is a deficient number, since it is larger than the sum of its proper divisors (412302129056115).

561674464476165 is a wasteful number, since it uses less digits than its factorization.

561674464476165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224638133 (or 5224638130 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 72.

The spelling of 561674464476165 in words is "five hundred sixty-one trillion, six hundred seventy-four billion, four hundred sixty-four million, four hundred seventy-six thousand, one hundred sixty-five".