2186848866 has 8 divisors (see below), whose sum is σ = 4373697744. Its totient is φ = 728949620.

The previous prime is 2186848861. The next prime is 2186848879. The reversal of 2186848866 is 6688486812.

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

2186848866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2186848861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182237400 + ... + 182237411.

It is an arithmetic number, because the mean of its divisors is an integer number (546712218).

Almost surely, 2^2186848866 is an apocalyptic number.

2186848866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2186848866 is a wasteful number, since it uses less digits than its factorization.

2186848866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364474816.

The product of its digits is 7077888, while the sum is 57.

The square root of 2186848866 is about 46763.7559013388. The cubic root of 2186848866 is about 1297.9947123209.

The spelling of 2186848866 in words is "two billion, one hundred eighty-six million, eight hundred forty-eight thousand, eight hundred sixty-six".