6624903161 has 2 divisors, whose sum is σ = 6624903162. Its totient is φ = 6624903160.

The previous prime is 6624903157. The next prime is 6624903191. The reversal of 6624903161 is 1613094266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6583699600 + 41203561 = 81140^2 + 6419^2 .

It is a cyclic number.

It is not a de Polignac number, because 6624903161 - 2² = 6624903157 is a prime.

It is not a weakly prime, because it can be changed into another prime (6624903191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312451580 + 3312451581.

It is an arithmetic number, because the mean of its divisors is an integer number (3312451581).

Almost surely, 2^6624903161 is an apocalyptic number.

It is an amenable number.

6624903161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6624903161 is an equidigital number, since it uses as much as digits as its factorization.

6624903161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6624903161 is about 81393.5081010765. The cubic root of 6624903161 is about 1878.1337259979.

The spelling of 6624903161 in words is "six billion, six hundred twenty-four million, nine hundred three thousand, one hundred sixty-one".