4991160186 has 48 divisors (see below), whose sum is σ = 11468568384. Its totient is φ = 1563357312.

The previous prime is 4991160173. The next prime is 4991160221. The reversal of 4991160186 is 6810611994.

It is a Curzon number.

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, 184075 + ... + 209441.

It is an arithmetic number, because the mean of its divisors is an integer number (238928508).

Almost surely, 2^4991160186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4991160186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5734284192).

4991160186 is an abundant number, since it is smaller than the sum of its proper divisors (6477408198).

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

4991160186 is a wasteful number, since it uses less digits than its factorization.

4991160186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26035 (or 26032 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 4991160186 is about 70648.1435424881. The cubic root of 4991160186 is about 1708.9676275986.

The spelling of 4991160186 in words is "four billion, nine hundred ninety-one million, one hundred sixty thousand, one hundred eighty-six".