2160865556323 has 2 divisors, whose sum is σ = 2160865556324. Its totient is φ = 2160865556322.

The previous prime is 2160865556321. The next prime is 2160865556359. The reversal of 2160865556323 is 3236555680612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2160865556323 - 2¹ = 2160865556321 is a prime.

Together with 2160865556321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2160865556321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080432778161 + 1080432778162.

It is an arithmetic number, because the mean of its divisors is an integer number (1080432778162).

Almost surely, 2^{2160865556323} is an apocalyptic number.

2160865556323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160865556323 is an equidigital number, since it uses as much as digits as its factorization.

2160865556323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 2160865556323 in words is "two trillion, one hundred sixty billion, eight hundred sixty-five million, five hundred fifty-six thousand, three hundred twenty-three".