8085161061 has 6 divisors (see below), whose sum is σ = 11678565990. Its totient is φ = 5390107368.

The previous prime is 8085161059. The next prime is 8085161081. The reversal of 8085161061 is 1601615808.

8085161061 is a `hidden beast` number, since 80 + 8 + 516 + 1 + 0 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5656544100 + 2428616961 = 75210^2 + 49281^2 .

It is not a de Polignac number, because 8085161061 - 2¹ = 8085161059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085161081) 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 5 ways as a sum of consecutive naturals, for example, 449175606 + ... + 449175623.

It is an arithmetic number, because the mean of its divisors is an integer number (1946427665).

Almost surely, 2^8085161061 is an apocalyptic number.

It is an amenable number.

8085161061 is a deficient number, since it is larger than the sum of its proper divisors (3593404929).

8085161061 is a wasteful number, since it uses less digits than its factorization.

8085161061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898351235 (or 898351232 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 8085161061 is about 89917.5236591845. The cubic root of 8085161061 is about 2007.0717209935.

Adding to 8085161061 its reverse (1601615808), we get a palindrome (9686776869).

The spelling of 8085161061 in words is "eight billion, eighty-five million, one hundred sixty-one thousand, sixty-one".