6606071138 has 8 divisors (see below), whose sum is σ = 9916143660. Its totient is φ = 3300689920.

The previous prime is 6606071117. The next prime is 6606071207. The reversal of 6606071138 is 8311706066.

It can be written as a sum of positive squares in 2 ways, for example, as 6605950729 + 120409 = 81277^2 + 347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169303 + ... + 1174938.

Almost surely, 2^6606071138 is an apocalyptic number.

6606071138 is a deficient number, since it is larger than the sum of its proper divisors (3310072522).

6606071138 is a wasteful number, since it uses less digits than its factorization.

6606071138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345652.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 6606071138 is about 81277.7407289351. The cubic root of 6606071138 is about 1876.3524358576.

The spelling of 6606071138 in words is "six billion, six hundred six million, seventy-one thousand, one hundred thirty-eight".