2160679056857 has 2 divisors, whose sum is σ = 2160679056858. Its totient is φ = 2160679056856.

The previous prime is 2160679056787. The next prime is 2160679056871. The reversal of 2160679056857 is 7586509760612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223227152016 + 937451904841 = 1105996^2 + 968221^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160679056857 - 2¹⁴ = 2160679040473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2160679056857.

It is not a weakly prime, because it can be changed into another prime (2160679556857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080339528428 + 1080339528429.

It is an arithmetic number, because the mean of its divisors is an integer number (1080339528429).

Almost surely, 2^{2160679056857} is an apocalyptic number.

It is an amenable number.

2160679056857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160679056857 is an equidigital number, since it uses as much as digits as its factorization.

2160679056857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 2160679056857 in words is "two trillion, one hundred sixty billion, six hundred seventy-nine million, fifty-six thousand, eight hundred fifty-seven".