165068393 has 8 divisors (see below), whose sum is σ = 189403200. Its totient is φ = 140922000.

The previous prime is 165068347. The next prime is 165068399. The reversal of 165068393 is 393860561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165068393 - 2¹⁰ = 165067369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165068393.

It is not an unprimeable number, because it can be changed into a prime (165068399) 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 7 ways as a sum of consecutive naturals, for example, 45218 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (23675400).

Almost surely, 2^165068393 is an apocalyptic number.

It is an amenable number.

165068393 is a deficient number, since it is larger than the sum of its proper divisors (24334807).

165068393 is an equidigital number, since it uses as much as digits as its factorization.

165068393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94207.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 165068393 is about 12847.8944967648. The cubic root of 165068393 is about 548.5564270729.

The spelling of 165068393 in words is "one hundred sixty-five million, sixty-eight thousand, three hundred ninety-three".