8138692968318 has 72 divisors (see below), whose sum is σ = 19383667290624. Its totient is φ = 2466140497920.

The previous prime is 8138692968313. The next prime is 8138692968359.

8138692968318 is a `hidden beast` number, since 8 + 13 + 8 + 6 + 9 + 296 + 8 + 318 = 666.

8138692968318 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138692968313) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46188030 + ... + 46363902.

Almost surely, 2^{8138692968318} is an apocalyptic number.

8138692968318 is an abundant number, since it is smaller than the sum of its proper divisors (11244974322306).

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

8138692968318 is a wasteful number, since it uses less digits than its factorization.

8138692968318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197150 (or 197136 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 72.

The spelling of 8138692968318 in words is "eight trillion, one hundred thirty-eight billion, six hundred ninety-two million, nine hundred sixty-eight thousand, three hundred eighteen".