320066165 has 8 divisors (see below), whose sum is σ = 396469248. Its totient is φ = 247793040.

The previous prime is 320066129. The next prime is 320066167. The reversal of 320066165 is 561660023.

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

It is not a de Polignac number, because 320066165 - 2¹² = 320062069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320066167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032317 + ... + 1032626.

It is an arithmetic number, because the mean of its divisors is an integer number (49558656).

Almost surely, 2^320066165 is an apocalyptic number.

It is an amenable number.

320066165 is a deficient number, since it is larger than the sum of its proper divisors (76403083).

320066165 is a wasteful number, since it uses less digits than its factorization.

320066165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064979.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 320066165 is about 17890.3930923834. The cubic root of 320066165 is about 684.0375173213.

The spelling of 320066165 in words is "three hundred twenty million, sixty-six thousand, one hundred sixty-five".