4991036180 has 24 divisors (see below), whose sum is σ = 11287420872. Its totient is φ = 1842844032.

The previous prime is 4991036161. The next prime is 4991036209. The reversal of 4991036180 is 816301994.

It can be written as a sum of positive squares in 4 ways, for example, as 16273156 + 4974763024 = 4034^2 + 70532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9597887 + ... + 9598406.

It is an arithmetic number, because the mean of its divisors is an integer number (470309203).

Almost surely, 2^4991036180 is an apocalyptic number.

It is an amenable number.

4991036180 is an abundant number, since it is smaller than the sum of its proper divisors (6296384692).

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

4991036180 is a wasteful number, since it uses less digits than its factorization.

4991036180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19196315 (or 19196313 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 4991036180 is about 70647.2659060490. The cubic root of 4991036180 is about 1708.9534743098.

The spelling of 4991036180 in words is "four billion, nine hundred ninety-one million, thirty-six thousand, one hundred eighty".