2291749616256 has 64 divisors (see below), whose sum is σ = 6283829625600. Its totient is φ = 739274065920.

The previous prime is 2291749616231. The next prime is 2291749616369. The reversal of 2291749616256 is 6526169471922.

2291749616256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 2291749616256.

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, 96247741 + ... + 96271548.

It is an arithmetic number, because the mean of its divisors is an integer number (98184837900).

Almost surely, 2^{2291749616256} is an apocalyptic number.

It is an amenable number.

2291749616256 is an abundant number, since it is smaller than the sum of its proper divisors (3992080009344).

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

2291749616256 is a wasteful number, since it uses less digits than its factorization.

2291749616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192519337 (or 192519325 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 2291749616256 in words is "two trillion, two hundred ninety-one billion, seven hundred forty-nine million, six hundred sixteen thousand, two hundred fifty-six".