6635003161 has 2 divisors, whose sum is σ = 6635003162. Its totient is φ = 6635003160.

The previous prime is 6635003159. The next prime is 6635003197. The reversal of 6635003161 is 1613005366.

6635003161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4167993600 + 2467009561 = 64560^2 + 49669^2 .

It is a cyclic number.

It is not a de Polignac number, because 6635003161 - 2¹ = 6635003159 is a prime.

Together with 6635003159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6635003261) 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 as a sum of consecutive naturals, namely, 3317501580 + 3317501581.

It is an arithmetic number, because the mean of its divisors is an integer number (3317501581).

Almost surely, 2^6635003161 is an apocalyptic number.

It is an amenable number.

6635003161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6635003161 is an equidigital number, since it uses as much as digits as its factorization.

6635003161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 6635003161 is about 81455.5287319406. The cubic root of 6635003161 is about 1879.0876780038.

The spelling of 6635003161 in words is "six billion, six hundred thirty-five million, three thousand, one hundred sixty-one".