2162265165397 has 2 divisors, whose sum is σ = 2162265165398. Its totient is φ = 2162265165396.

The previous prime is 2162265165311. The next prime is 2162265165409. The reversal of 2162265165397 is 7935615622612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1457817174801 + 704447990596 = 1207401^2 + 839314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162265165397 - 2¹¹ = 2162265163349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162265105397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081132582698 + 1081132582699.

It is an arithmetic number, because the mean of its divisors is an integer number (1081132582699).

Almost surely, 2^{2162265165397} is an apocalyptic number.

It is an amenable number.

2162265165397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162265165397 is an equidigital number, since it uses as much as digits as its factorization.

2162265165397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The spelling of 2162265165397 in words is "two trillion, one hundred sixty-two billion, two hundred sixty-five million, one hundred sixty-five thousand, three hundred ninety-seven".