165308353 has 16 divisors (see below), whose sum is σ = 196130304. Its totient is φ = 136388160.

The previous prime is 165308329. The next prime is 165308389. The reversal of 165308353 is 353803561.

It is a cyclic number.

It is not a de Polignac number, because 165308353 - 2⁵ = 165308321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165308453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15951 + ... + 24187.

It is an arithmetic number, because the mean of its divisors is an integer number (12258144).

Almost surely, 2^165308353 is an apocalyptic number.

It is an amenable number.

165308353 is a deficient number, since it is larger than the sum of its proper divisors (30821951).

165308353 is an equidigital number, since it uses as much as digits as its factorization.

165308353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 165308353 is about 12857.2296005010. The cubic root of 165308353 is about 548.8221106178.

The spelling of 165308353 in words is "one hundred sixty-five million, three hundred eight thousand, three hundred fifty-three".