6871661250 has 80 divisors (see below), whose sum is σ = 17344647936. Its totient is φ = 1814200000.

The previous prime is 6871661233. The next prime is 6871661281. The reversal of 6871661250 is 521661786.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 369679 + ... + 387821.

Almost surely, 2^6871661250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6871661250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8672323968).

6871661250 is an abundant number, since it is smaller than the sum of its proper divisors (10472986686).

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

6871661250 is a wasteful number, since it uses less digits than its factorization.

6871661250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18269 (or 18254 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 6871661250 is about 82895.4838938769. The cubic root of 6871661250 is about 1901.1683718722.

The spelling of 6871661250 in words is "six billion, eight hundred seventy-one million, six hundred sixty-one thousand, two hundred fifty".