16797571098256 has 135 divisors (see below), whose sum is σ = 35493988117809. Its totient is φ = 7697543133696.

The previous prime is 16797571098229. The next prime is 16797571098271. The reversal of 16797571098256 is 65289017579761.

The square root of 16797571098256 is 4098484.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 14004929043856 + 2792642054400 = 3742316^2 + 1671120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 57329594046 + ... + 57329594338.

Almost surely, 2^{16797571098256} is an apocalyptic number.

16797571098256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16797571098256 is the 4098484-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16797571098256

16797571098256 is an abundant number, since it is smaller than the sum of its proper divisors (18696417019553).

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

16797571098256 is an frugal number, since it uses more digits than its factorization.

16797571098256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 400075200, while the sum is 73.

The spelling of 16797571098256 in words is "sixteen trillion, seven hundred ninety-seven billion, five hundred seventy-one million, ninety-eight thousand, two hundred fifty-six".