8061336161 has 4 divisors (see below), whose sum is σ = 8339313300. Its totient is φ = 7783359024.

The previous prime is 8061336071. The next prime is 8061336167. The reversal of 8061336161 is 1616331608.

It is a happy number.

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 6848555536 + 1212780625 = 82756^2 + 34825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8061336161 is a prime.

It is a super-3 number, since 3×8061336161³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8061336167) 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, 138988526 + ... + 138988583.

It is an arithmetic number, because the mean of its divisors is an integer number (2084828325).

Almost surely, 2^8061336161 is an apocalyptic number.

It is an amenable number.

8061336161 is a deficient number, since it is larger than the sum of its proper divisors (277977139).

8061336161 is a wasteful number, since it uses less digits than its factorization.

8061336161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277977138.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8061336161 is about 89784.9439549861. The cubic root of 8061336161 is about 2005.0983391754.

Adding to 8061336161 its reverse (1616331608), we get a palindrome (9677667769).

The spelling of 8061336161 in words is "eight billion, sixty-one million, three hundred thirty-six thousand, one hundred sixty-one".