6556482161 has 2 divisors, whose sum is σ = 6556482162. Its totient is φ = 6556482160.

The previous prime is 6556482083. The next prime is 6556482167. The reversal of 6556482161 is 1612846556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6553873936 + 2608225 = 80956^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 6556482161 - 2¹⁴ = 6556465777 is a prime.

It is a super-2 number, since 2×6556482161² = 85974916655022459842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6556482167) 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, 3278241080 + 3278241081.

It is an arithmetic number, because the mean of its divisors is an integer number (3278241081).

Almost surely, 2^6556482161 is an apocalyptic number.

It is an amenable number.

6556482161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6556482161 is an equidigital number, since it uses as much as digits as its factorization.

6556482161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The square root of 6556482161 is about 80972.1073024532. The cubic root of 6556482161 is about 1871.6456446036.

The spelling of 6556482161 in words is "six billion, five hundred fifty-six million, four hundred eighty-two thousand, one hundred sixty-one".