8208661141 has 4 divisors (see below), whose sum is σ = 8210283052. Its totient is φ = 8207039232.

The previous prime is 8208661133. The next prime is 8208661163. The reversal of 8208661141 is 1411668028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7181715025 + 1026946116 = 84745^2 + 32046^2 .

It is a cyclic number.

It is not a de Polignac number, because 8208661141 - 2³ = 8208661133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8208661141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208661121) 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 in 3 ways as a sum of consecutive naturals, for example, 803340 + ... + 813493.

It is an arithmetic number, because the mean of its divisors is an integer number (2052570763).

Almost surely, 2^8208661141 is an apocalyptic number.

It is an amenable number.

8208661141 is a deficient number, since it is larger than the sum of its proper divisors (1621911).

8208661141 is a wasteful number, since it uses less digits than its factorization.

8208661141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621910.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8208661141 is about 90601.6619108060. The cubic root of 8208661141 is about 2017.2394029514.

The spelling of 8208661141 in words is "eight billion, two hundred eight million, six hundred sixty-one thousand, one hundred forty-one".