4991041916 has 12 divisors (see below), whose sum is σ = 9982083888. Its totient is φ = 2139017952.

The previous prime is 4991041873. The next prime is 4991041933. The reversal of 4991041916 is 6191401994.

4991041916 is an admirable number.

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, 89125721 + ... + 89125776.

It is an arithmetic number, because the mean of its divisors is an integer number (831840324).

Almost surely, 2^4991041916 is an apocalyptic number.

It is an amenable number.

4991041916 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.

4991041916 is a wasteful number, since it uses less digits than its factorization.

4991041916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178251508 (or 178251506 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 4991041916 is about 70647.3065020882. The cubic root of 4991041916 is about 1708.9541289871.

The spelling of 4991041916 in words is "four billion, nine hundred ninety-one million, forty-one thousand, nine hundred sixteen".