165322853 has 2 divisors, whose sum is σ = 165322854. Its totient is φ = 165322852.

The previous prime is 165322849. The next prime is 165322891. The reversal of 165322853 is 358223561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142874209 + 22448644 = 11953^2 + 4738^2 .

It is a cyclic number.

It is not a de Polignac number, because 165322853 - 2² = 165322849 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165222853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82661426 + 82661427.

It is an arithmetic number, because the mean of its divisors is an integer number (82661427).

Almost surely, 2^165322853 is an apocalyptic number.

It is an amenable number.

165322853 is a deficient number, since it is larger than the sum of its proper divisors (1).

165322853 is an equidigital number, since it uses as much as digits as its factorization.

165322853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 165322853 is about 12857.7934732208. The cubic root of 165322853 is about 548.8381567679.

The spelling of 165322853 in words is "one hundred sixty-five million, three hundred twenty-two thousand, eight hundred fifty-three".