165352063 has 4 divisors (see below), whose sum is σ = 168870240. Its totient is φ = 161833888.

The previous prime is 165352051. The next prime is 165352067. The reversal of 165352063 is 360253561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360253561 = 53 ⋅6797237.

It is a cyclic number.

It is not a de Polignac number, because 165352063 - 2²¹ = 163254911 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165352067) 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 in 3 ways as a sum of consecutive naturals, for example, 1759018 + ... + 1759111.

It is an arithmetic number, because the mean of its divisors is an integer number (42217560).

Almost surely, 2^165352063 is an apocalyptic number.

165352063 is a deficient number, since it is larger than the sum of its proper divisors (3518177).

165352063 is an equidigital number, since it uses as much as digits as its factorization.

165352063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518176.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 165352063 is about 12858.9293100164. The cubic root of 165352063 is about 548.8704786120.

The spelling of 165352063 in words is "one hundred sixty-five million, three hundred fifty-two thousand, sixty-three".