165683183 has 2 divisors, whose sum is σ = 165683184. Its totient is φ = 165683182.

The previous prime is 165683159. The next prime is 165683227. The reversal of 165683183 is 381386561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165683183 - 2¹⁴ = 165666799 is a prime.

It is a super-2 number, since 2×165683183² = 54901834258022978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165683183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165683383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82841591 + 82841592.

It is an arithmetic number, because the mean of its divisors is an integer number (82841592).

Almost surely, 2^165683183 is an apocalyptic number.

165683183 is a deficient number, since it is larger than the sum of its proper divisors (1).

165683183 is an equidigital number, since it uses as much as digits as its factorization.

165683183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 165683183 is about 12871.7979707576. The cubic root of 165683183 is about 549.2366081312.

The spelling of 165683183 in words is "one hundred sixty-five million, six hundred eighty-three thousand, one hundred eighty-three".