3818512915182 has 128 divisors (see below), whose sum is σ = 9918371358720. Its totient is φ = 1066347210240.

The previous prime is 3818512915171. The next prime is 3818512915193. The reversal of 3818512915182 is 2815192158183.

3818512915182 is a `hidden beast` number, since 38 + 1 + 8 + 5 + 1 + 2 + 91 + 518 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3818512915171) and next prime (3818512915193).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4906582 + ... + 5631302.

It is an arithmetic number, because the mean of its divisors is an integer number (77487276240).

Almost surely, 2^{3818512915182} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3818512915182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4959185679360).

3818512915182 is an abundant number, since it is smaller than the sum of its proper divisors (6099858443538).

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

3818512915182 is a wasteful number, since it uses less digits than its factorization.

3818512915182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725055 (or 725049 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 54.

The spelling of 3818512915182 in words is "three trillion, eight hundred eighteen billion, five hundred twelve million, nine hundred fifteen thousand, one hundred eighty-two".