2773511616 has 56 divisors (see below), whose sum is σ = 7361560080. Its totient is φ = 921567232.

The previous prime is 2773511593. The next prime is 2773511617. The reversal of 2773511616 is 6161153772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773511617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38080 + ... + 83648.

It is an arithmetic number, because the mean of its divisors is an integer number (131456430).

Almost surely, 2^2773511616 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 2773511616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3680780040).

2773511616 is an abundant number, since it is smaller than the sum of its proper divisors (4588048464).

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

2773511616 is a wasteful number, since it uses less digits than its factorization.

2773511616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45901 (or 45891 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 2773511616 is about 52664.1397537262. The cubic root of 2773511616 is about 1405.0010960677.

The spelling of 2773511616 in words is "two billion, seven hundred seventy-three million, five hundred eleven thousand, six hundred sixteen".