86168285565 has 32 divisors (see below), whose sum is σ = 142602240000. Its totient is φ = 44384708160.

The previous prime is 86168285561. The next prime is 86168285573. The reversal of 86168285565 is 56558286168.

It is not a de Polignac number, because 86168285565 - 2² = 86168285561 is a prime.

It is a super-2 number, since 2×86168285565² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86168285499 and 86168285508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86168285561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46356 + ... + 417714.

It is an arithmetic number, because the mean of its divisors is an integer number (4456320000).

Almost surely, 2^86168285565 is an apocalyptic number.

It is an amenable number.

86168285565 is a deficient number, since it is larger than the sum of its proper divisors (56433954435).

86168285565 is a wasteful number, since it uses less digits than its factorization.

86168285565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371897.

The product of its digits is 27648000, while the sum is 60.

The spelling of 86168285565 in words is "eighty-six billion, one hundred sixty-eight million, two hundred eighty-five thousand, five hundred sixty-five".