165356026337 has 2 divisors, whose sum is σ = 165356026338. Its totient is φ = 165356026336.

The previous prime is 165356026273. The next prime is 165356026357. The reversal of 165356026337 is 733620653561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95826774481 + 69529251856 = 309559^2 + 263684^2 .

It is an emirp because it is prime and its reverse (733620653561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165356026337 - 2⁶ = 165356026273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165356026291 and 165356026300.

It is not a weakly prime, because it can be changed into another prime (165356026357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82678013168 + 82678013169.

It is an arithmetic number, because the mean of its divisors is an integer number (82678013169).

Almost surely, 2^165356026337 is an apocalyptic number.

It is an amenable number.

165356026337 is a deficient number, since it is larger than the sum of its proper divisors (1).

165356026337 is an equidigital number, since it uses as much as digits as its factorization.

165356026337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 47.

Adding to 165356026337 its reverse (733620653561), we get a palindrome (898976679898).

The spelling of 165356026337 in words is "one hundred sixty-five billion, three hundred fifty-six million, twenty-six thousand, three hundred thirty-seven".