165350233 has 2 divisors, whose sum is σ = 165350234. Its totient is φ = 165350232.

The previous prime is 165350219. The next prime is 165350261. The reversal of 165350233 is 332053561.

It is an a-pointer prime, because the next prime (165350261) can be obtained adding 165350233 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83393424 + 81956809 = 9132^2 + 9053^2 .

It is a cyclic number.

It is not a de Polignac number, because 165350233 - 2⁹ = 165349721 is a prime.

It is not a weakly prime, because it can be changed into another prime (165350333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82675116 + 82675117.

It is an arithmetic number, because the mean of its divisors is an integer number (82675117).

Almost surely, 2^165350233 is an apocalyptic number.

It is an amenable number.

165350233 is a deficient number, since it is larger than the sum of its proper divisors (1).

165350233 is an equidigital number, since it uses as much as digits as its factorization.

165350233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 165350233 is about 12858.8581530399. The cubic root of 165350233 is about 548.8684537675.

The spelling of 165350233 in words is "one hundred sixty-five million, three hundred fifty thousand, two hundred thirty-three".