56702204161 has 2 divisors, whose sum is σ = 56702204162. Its totient is φ = 56702204160.

The previous prime is 56702204159. The next prime is 56702204201. The reversal of 56702204161 is 16140220765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50960353536 + 5741850625 = 225744^2 + 75775^2 .

It is a cyclic number.

It is not a de Polignac number, because 56702204161 - 2¹ = 56702204159 is a prime.

Together with 56702204159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56702204561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28351102080 + 28351102081.

It is an arithmetic number, because the mean of its divisors is an integer number (28351102081).

Almost surely, 2^56702204161 is an apocalyptic number.

It is an amenable number.

56702204161 is a deficient number, since it is larger than the sum of its proper divisors (1).

56702204161 is an equidigital number, since it uses as much as digits as its factorization.

56702204161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 56702204161 in words is "fifty-six billion, seven hundred two million, two hundred four thousand, one hundred sixty-one".