18595396148868 has 288 divisors, whose sum is σ = 60580443490560. Its totient is φ = 4828476787200.

The previous prime is 18595396148839. The next prime is 18595396148881. The reversal of 18595396148868 is 86884169359581.

18595396148868 is a `hidden beast` number, since 1 + 8 + 5 + 9 + 5 + 396 + 148 + 86 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 312177808 + ... + 312237368.

It is an arithmetic number, because the mean of its divisors is an integer number (210348762120).

Almost surely, 2^{18595396148868} is an apocalyptic number.

18595396148868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18595396148868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30290221745280).

18595396148868 is an abundant number, since it is smaller than the sum of its proper divisors (41985047341692).

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

18595396148868 is a wasteful number, since it uses less digits than its factorization.

18595396148868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63016 (or 62997 counting only the distinct ones).

The product of its digits is 3583180800, while the sum is 81.

The spelling of 18595396148868 in words is "eighteen trillion, five hundred ninety-five billion, three hundred ninety-six million, one hundred forty-eight thousand, eight hundred sixty-eight".