2076718644 has 432 divisors, whose sum is σ = 7374115840. Its totient is φ = 481852800.

The previous prime is 2076718603. The next prime is 2076718649. The reversal of 2076718644 is 4468176702.

It is a self number, because there is not a number n which added to its sum of digits gives 2076718644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076718649) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 66990909 + ... + 66990939.

Almost surely, 2^2076718644 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 2076718644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3687057920).

2076718644 is an abundant number, since it is smaller than the sum of its proper divisors (5297397196).

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

2076718644 is a wasteful number, since it uses less digits than its factorization.

2076718644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2076718644 is about 45571.0285598208. The cubic root of 2076718644 is about 1275.8292478607.

The spelling of 2076718644 in words is "two billion, seventy-six million, seven hundred eighteen thousand, six hundred forty-four".