86065370161 has 9 divisors (see below), whose sum is σ = 91431141249. Its totient is φ = 80998007424.

The previous prime is 86065370141. The next prime is 86065370173. The reversal of 86065370161 is 16107356068.

The square root of 86065370161 is 293369.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7844467761 + 78220902400 = 88569^2 + 279680^2 .

It is not a de Polignac number, because 86065370161 - 2¹⁷ = 86065239089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86065370141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4978645 + ... + 4995901.

Almost surely, 2^86065370161 is an apocalyptic number.

86065370161 is the 293369-th square number.

86065370161 is the 146685-th centered octagonal number.

It is an amenable number.

86065370161 is a deficient number, since it is larger than the sum of its proper divisors (5365771088).

86065370161 is an frugal number, since it uses more digits than its factorization.

86065370161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34548 (or 17274 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 86065370161 in words is "eighty-six billion, sixty-five million, three hundred seventy thousand, one hundred sixty-one".