2791836416 has 72 divisors (see below), whose sum is σ = 5859199584. Its totient is φ = 1325096960.

The previous prime is 2791836401. The next prime is 2791836419. The reversal of 2791836416 is 6146381972.

It is not an unprimeable number, because it can be changed into a prime (2791836419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804926 + ... + 808386.

It is an arithmetic number, because the mean of its divisors is an integer number (81377772).

Almost surely, 2^2791836416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2791836416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2929599792).

2791836416 is an abundant number, since it is smaller than the sum of its proper divisors (3067363168).

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

2791836416 is a wasteful number, since it uses less digits than its factorization.

2791836416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637 (or 3623 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 2791836416 is about 52837.8312953891. The cubic root of 2791836416 is about 1408.0886221767.

The spelling of 2791836416 in words is "two billion, seven hundred ninety-one million, eight hundred thirty-six thousand, four hundred sixteen".