8648136318 has 16 divisors (see below), whose sum is σ = 17763739920. Its totient is φ = 2804800896.

The previous prime is 8648136269. The next prime is 8648136323. The reversal of 8648136318 is 8136318468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19477563 + ... + 19478006.

It is an arithmetic number, because the mean of its divisors is an integer number (1110233745).

Almost surely, 2^8648136318 is an apocalyptic number.

8648136318 is an abundant number, since it is smaller than the sum of its proper divisors (9115603602).

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

8648136318 is a wasteful number, since it uses less digits than its factorization.

8648136318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38955611.

The product of its digits is 663552, while the sum is 48.

The square root of 8648136318 is about 92995.3564324585. The cubic root of 8648136318 is about 2052.6150500435.

The spelling of 8648136318 in words is "eight billion, six hundred forty-eight million, one hundred thirty-six thousand, three hundred eighteen".