3563506161 has 24 divisors (see below), whose sum is σ = 5170974120. Its totient is φ = 2364768000.

The previous prime is 3563506157. The next prime is 3563506181. The reversal of 3563506161 is 1616053653.

3563506161 is a `hidden beast` number, since 3 + 5 + 6 + 35 + 0 + 616 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1892250000 + 1671256161 = 43500^2 + 40881^2 .

It is not a de Polignac number, because 3563506161 - 2² = 3563506157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3563506181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2579691 + ... + 2581071.

It is an arithmetic number, because the mean of its divisors is an integer number (215457255).

Almost surely, 2^3563506161 is an apocalyptic number.

It is an amenable number.

3563506161 is a deficient number, since it is larger than the sum of its proper divisors (1607467959).

3563506161 is a wasteful number, since it uses less digits than its factorization.

3563506161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 3563506161 is about 59695.1100258639. The cubic root of 3563506161 is about 1527.4224562341.

The spelling of 3563506161 in words is "three billion, five hundred sixty-three million, five hundred six thousand, one hundred sixty-one".