165693343 has 2 divisors, whose sum is σ = 165693344. Its totient is φ = 165693342.

The previous prime is 165693337. The next prime is 165693349. The reversal of 165693343 is 343396561.

It is a balanced prime because it is at equal distance from previous prime (165693337) and next prime (165693349).

It is an emirp because it is prime and its reverse (343396561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165693343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165693296 and 165693305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165693349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82846671 + 82846672.

It is an arithmetic number, because the mean of its divisors is an integer number (82846672).

Almost surely, 2^165693343 is an apocalyptic number.

165693343 is a deficient number, since it is larger than the sum of its proper divisors (1).

165693343 is an equidigital number, since it uses as much as digits as its factorization.

165693343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 165693343 is about 12872.1926259670. The cubic root of 165693343 is about 549.2478346375.

The spelling of 165693343 in words is "one hundred sixty-five million, six hundred ninety-three thousand, three hundred forty-three".