6871456818 has 48 divisors (see below), whose sum is σ = 15678748800. Its totient is φ = 2168964000.

The previous prime is 6871456789. The next prime is 6871456841. The reversal of 6871456818 is 8186541786.

It is a happy number.

6871456818 is a `hidden beast` number, since 6 + 8 + 71 + 4 + 568 + 1 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1443943 + ... + 1448693.

It is an arithmetic number, because the mean of its divisors is an integer number (326640600).

Almost surely, 2^6871456818 is an apocalyptic number.

6871456818 is an abundant number, since it is smaller than the sum of its proper divisors (8807291982).

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

6871456818 is a wasteful number, since it uses less digits than its factorization.

6871456818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007 (or 9004 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 6871456818 is about 82894.2508139135. The cubic root of 6871456818 is about 1901.1495184250.

The spelling of 6871456818 in words is "six billion, eight hundred seventy-one million, four hundred fifty-six thousand, eight hundred eighteen".