4006246216185 has 36 divisors (see below), whose sum is σ = 7259207112612. Its totient is φ = 2043766173504.

The previous prime is 4006246216129. The next prime is 4006246216289. The reversal of 4006246216185 is 5816126426004.

It is a happy number.

4006246216185 is a `hidden beast` number, since 4 + 0 + 0 + 6 + 2 + 4 + 6 + 21 + 618 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1476276030441 + 2529970185744 = 1215021^2 + 1590588^2 .

It is not a de Polignac number, because 4006246216185 - 2⁸ = 4006246215929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4006246216185.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84123354 + ... + 84170963.

It is an arithmetic number, because the mean of its divisors is an integer number (201644642017).

Almost surely, 2^{4006246216185} is an apocalyptic number.

4006246216185 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4006246216185 is a deficient number, since it is larger than the sum of its proper divisors (3252960896427).

4006246216185 is a wasteful number, since it uses less digits than its factorization.

4006246216185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168294374 (or 168294348 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 4006246216185 in words is "four trillion, six billion, two hundred forty-six million, two hundred sixteen thousand, one hundred eighty-five".