165333983 has 2 divisors, whose sum is σ = 165333984. Its totient is φ = 165333982.

The previous prime is 165333919. The next prime is 165334003. The reversal of 165333983 is 389333561.

It is a strong prime.

It is an emirp because it is prime and its reverse (389333561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165333983 - 2⁶ = 165333919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165333983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165333283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82666991 + 82666992.

It is an arithmetic number, because the mean of its divisors is an integer number (82666992).

Almost surely, 2^165333983 is an apocalyptic number.

165333983 is a deficient number, since it is larger than the sum of its proper divisors (1).

165333983 is an equidigital number, since it uses as much as digits as its factorization.

165333983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 41.

The square root of 165333983 is about 12858.2262773681. The cubic root of 165333983 is about 548.8504729349.

The spelling of 165333983 in words is "one hundred sixty-five million, three hundred thirty-three thousand, nine hundred eighty-three".