8165093641 has 2 divisors, whose sum is σ = 8165093642. Its totient is φ = 8165093640.

The previous prime is 8165093639. The next prime is 8165093647. The reversal of 8165093641 is 1463905618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4936467600 + 3228626041 = 70260^2 + 56821^2 .

It is a cyclic number.

It is not a de Polignac number, because 8165093641 - 2¹ = 8165093639 is a prime.

Together with 8165093639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8165093647) 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, 4082546820 + 4082546821.

It is an arithmetic number, because the mean of its divisors is an integer number (4082546821).

Almost surely, 2^8165093641 is an apocalyptic number.

It is an amenable number.

8165093641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8165093641 is an equidigital number, since it uses as much as digits as its factorization.

8165093641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 8165093641 is about 90360.9077034975. The cubic root of 8165093641 is about 2013.6642351499.

The spelling of 8165093641 in words is "eight billion, one hundred sixty-five million, ninety-three thousand, six hundred forty-one".