2166160097 has 2 divisors, whose sum is σ = 2166160098. Its totient is φ = 2166160096.

The previous prime is 2166160039. The next prime is 2166160099. The reversal of 2166160097 is 7900616612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1694227921 + 471932176 = 41161^2 + 21724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2166160097 - 2¹⁴ = 2166143713 is a prime.

Together with 2166160099, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2166160097.

It is not a weakly prime, because it can be changed into another prime (2166160099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083080048 + 1083080049.

It is an arithmetic number, because the mean of its divisors is an integer number (1083080049).

Almost surely, 2^2166160097 is an apocalyptic number.

It is an amenable number.

2166160097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2166160097 is an equidigital number, since it uses as much as digits as its factorization.

2166160097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2166160097 is about 46542.0250633769. The cubic root of 2166160097 is about 1293.8884927488. Note that the first 3 decimals are identical.

The spelling of 2166160097 in words is "two billion, one hundred sixty-six million, one hundred sixty thousand, ninety-seven".