165466295268133 has 2 divisors, whose sum is σ = 165466295268134. Its totient is φ = 165466295268132.

The previous prime is 165466295268119. The next prime is 165466295268167. The reversal of 165466295268133 is 331862592664561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131077242516609 + 34389052751524 = 11448897^2 + 5864218^2 .

It is a cyclic number.

It is not a de Polignac number, because 165466295268133 - 2⁹ = 165466295267621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165466295368133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82733147634066 + 82733147634067.

It is an arithmetic number, because the mean of its divisors is an integer number (82733147634067).

Almost surely, 2^{165466295268133} is an apocalyptic number.

It is an amenable number.

165466295268133 is a deficient number, since it is larger than the sum of its proper divisors (1).

165466295268133 is an equidigital number, since it uses as much as digits as its factorization.

165466295268133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 335923200, while the sum is 67.

The spelling of 165466295268133 in words is "one hundred sixty-five trillion, four hundred sixty-six billion, two hundred ninety-five million, two hundred sixty-eight thousand, one hundred thirty-three".