6006386538 has 12 divisors (see below), whose sum is σ = 13013837538. Its totient is φ = 2002128840.

The previous prime is 6006386509. The next prime is 6006386579. The reversal of 6006386538 is 8356836006.

6006386538 is a `hidden beast` number, since 6 + 0 + 0 + 638 + 6 + 5 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5995869489 + 10517049 = 77433^2 + 3243^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6006386493 and 6006386502.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166844053 + ... + 166844088.

Almost surely, 2^6006386538 is an apocalyptic number.

6006386538 is an abundant number, since it is smaller than the sum of its proper divisors (7007451000).

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

6006386538 is a wasteful number, since it uses less digits than its factorization.

6006386538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333688149 (or 333688146 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 6006386538 is about 77500.8808853164. The cubic root of 6006386538 is about 1817.7650925304.

The spelling of 6006386538 in words is "six billion, six million, three hundred eighty-six thousand, five hundred thirty-eight".