5637635161 has 2 divisors, whose sum is σ = 5637635162. Its totient is φ = 5637635160.

The previous prime is 5637635111. The next prime is 5637635207. The reversal of 5637635161 is 1615367365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5262631936 + 375003225 = 72544^2 + 19365^2 .

It is a cyclic number.

It is not a de Polignac number, because 5637635161 - 2⁷ = 5637635033 is a prime.

It is not a weakly prime, because it can be changed into another prime (5637635111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818817580 + 2818817581.

It is an arithmetic number, because the mean of its divisors is an integer number (2818817581).

Almost surely, 2^5637635161 is an apocalyptic number.

It is an amenable number.

5637635161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5637635161 is an equidigital number, since it uses as much as digits as its factorization.

5637635161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 5637635161 is about 75084.1871568175. The cubic root of 5637635161 is about 1779.7772688737. Note that the first 3 decimals are identical.

The spelling of 5637635161 in words is "five billion, six hundred thirty-seven million, six hundred thirty-five thousand, one hundred sixty-one".