5565102161 has 2 divisors, whose sum is σ = 5565102162. Its totient is φ = 5565102160.

The previous prime is 5565102157. The next prime is 5565102181. The reversal of 5565102161 is 1612015655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4438224400 + 1126877761 = 66620^2 + 33569^2 .

It is a cyclic number.

It is not a de Polignac number, because 5565102161 - 2² = 5565102157 is a prime.

It is not a weakly prime, because it can be changed into another prime (5565102181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782551080 + 2782551081.

It is an arithmetic number, because the mean of its divisors is an integer number (2782551081).

Almost surely, 2^5565102161 is an apocalyptic number.

It is an amenable number.

5565102161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5565102161 is an equidigital number, since it uses as much as digits as its factorization.

5565102161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 5565102161 is about 74599.6123381348. The cubic root of 5565102161 is about 1772.1115129773. Note that the first 3 decimals are identical.

The spelling of 5565102161 in words is "five billion, five hundred sixty-five million, one hundred two thousand, one hundred sixty-one".