3226556161 has 2 divisors, whose sum is σ = 3226556162. Its totient is φ = 3226556160.

The previous prime is 3226556159. The next prime is 3226556183. The reversal of 3226556161 is 1616556223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2990011761 + 236544400 = 54681^2 + 15380^2 .

It is a cyclic number.

It is not a de Polignac number, because 3226556161 - 2¹ = 3226556159 is a prime.

Together with 3226556159, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3226556161.

It is not a weakly prime, because it can be changed into another prime (3226556261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613278080 + 1613278081.

It is an arithmetic number, because the mean of its divisors is an integer number (1613278081).

Almost surely, 2^3226556161 is an apocalyptic number.

It is an amenable number.

3226556161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3226556161 is an equidigital number, since it uses as much as digits as its factorization.

3226556161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 3226556161 is about 56802.7830392138. The cubic root of 3226556161 is about 1477.6777803013.

The spelling of 3226556161 in words is "three billion, two hundred twenty-six million, five hundred fifty-six thousand, one hundred sixty-one".