3818506068 has 72 divisors (see below), whose sum is σ = 11006305128. Its totient is φ = 1105809408.

The previous prime is 3818506063. The next prime is 3818506073. The reversal of 3818506068 is 8606058183.

3818506068 is a `hidden beast` number, since 3 + 81 + 8 + 506 + 0 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (3818506063) and next prime (3818506073).

It can be written as a sum of positive squares in 4 ways, for example, as 1547792964 + 2270713104 = 39342^2 + 47652^2 .

It is a super-4 number, since 4×3818506068⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818506063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232021 + ... + 247932.

It is an arithmetic number, because the mean of its divisors is an integer number (152865349).

Almost surely, 2^3818506068 is an apocalyptic number.

It is an amenable number.

3818506068 is an abundant number, since it is smaller than the sum of its proper divisors (7187799060).

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

3818506068 is a wasteful number, since it uses less digits than its factorization.

3818506068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479993 (or 479988 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 3818506068 is about 61794.0617535375. The cubic root of 3818506068 is about 1563.0198555052.

The spelling of 3818506068 in words is "three billion, eight hundred eighteen million, five hundred six thousand, sixty-eight".