2097170288256 has 64 divisors (see below), whose sum is σ = 5633199777600. Its totient is φ = 691202181120.

The previous prime is 2097170288243. The next prime is 2097170288299. The reversal of 2097170288256 is 6528820717902.

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

It is a junction number, because it is equal to n+sod(n) for n = 2097170288196 and 2097170288205.

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, 30647740 + ... + 30716091.

It is an arithmetic number, because the mean of its divisors is an integer number (88018746525).

Almost surely, 2^{2097170288256} is an apocalyptic number.

It is an amenable number.

2097170288256 is an abundant number, since it is smaller than the sum of its proper divisors (3536029489344).

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

2097170288256 is an equidigital number, since it uses as much as digits as its factorization.

2097170288256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61363937 (or 61363925 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 2097170288256 in words is "two trillion, ninety-seven billion, one hundred seventy million, two hundred eighty-eight thousand, two hundred fifty-six".