8136446318 has 48 divisors (see below), whose sum is σ = 16510875360. Its totient is φ = 2926186560.

The previous prime is 8136446293. The next prime is 8136446321.

8136446318 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162713 + ... + 206756.

It is an arithmetic number, because the mean of its divisors is an integer number (343976570).

Almost surely, 2^8136446318 is an apocalyptic number.

8136446318 is an abundant number, since it is smaller than the sum of its proper divisors (8374429042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8136446318 is a wasteful number, since it uses less digits than its factorization.

8136446318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369513 (or 369502 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 8136446318 is about 90202.2522889534. The cubic root of 8136446318 is about 2011.3064877191.

It can be divided in two parts, 8136 and 446318, that added together give a palindrome (454454).

The spelling of 8136446318 in words is "eight billion, one hundred thirty-six million, four hundred forty-six thousand, three hundred eighteen".