4161064637 has 2 divisors, whose sum is σ = 4161064638. Its totient is φ = 4161064636.

The previous prime is 4161064591. The next prime is 4161064667. The reversal of 4161064637 is 7364601614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3668846041 + 492218596 = 60571^2 + 22186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4161064637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4161064637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4161064667) 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, 2080532318 + 2080532319.

It is an arithmetic number, because the mean of its divisors is an integer number (2080532319).

Almost surely, 2^4161064637 is an apocalyptic number.

It is an amenable number.

4161064637 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161064637 is an equidigital number, since it uses as much as digits as its factorization.

4161064637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 4161064637 is about 64506.3147063913. The cubic root of 4161064637 is about 1608.4274908809.

The spelling of 4161064637 in words is "four billion, one hundred sixty-one million, sixty-four thousand, six hundred thirty-seven".