165059933 has 2 divisors, whose sum is σ = 165059934. Its totient is φ = 165059932.

The previous prime is 165059893. The next prime is 165059941. The reversal of 165059933 is 339950561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131859289 + 33200644 = 11483^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 165059933 - 2¹² = 165055837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165059333) 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, 82529966 + 82529967.

It is an arithmetic number, because the mean of its divisors is an integer number (82529967).

Almost surely, 2^165059933 is an apocalyptic number.

It is an amenable number.

165059933 is a deficient number, since it is larger than the sum of its proper divisors (1).

165059933 is an equidigital number, since it uses as much as digits as its factorization.

165059933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 41.

The square root of 165059933 is about 12847.5652557206. The cubic root of 165059933 is about 548.5470554693.

The spelling of 165059933 in words is "one hundred sixty-five million, fifty-nine thousand, nine hundred thirty-three".