6871438166 has 8 divisors (see below), whose sum is σ = 10307845344. Its totient is φ = 3435489720.

The previous prime is 6871438157. The next prime is 6871438187. The reversal of 6871438166 is 6618341786.

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

It is a super-3 number, since 3×6871438166³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74405 + ... + 138848.

It is an arithmetic number, because the mean of its divisors is an integer number (1288480668).

Almost surely, 2^6871438166 is an apocalyptic number.

6871438166 is a deficient number, since it is larger than the sum of its proper divisors (3436407178).

6871438166 is a wasteful number, since it uses less digits than its factorization.

6871438166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229366.

The product of its digits is 1161216, while the sum is 50.

The square root of 6871438166 is about 82894.1383090505. The cubic root of 6871438166 is about 1901.1477982526.

The spelling of 6871438166 in words is "six billion, eight hundred seventy-one million, four hundred thirty-eight thousand, one hundred sixty-six".