320160003265 has 4 divisors (see below), whose sum is σ = 384192003924. Its totient is φ = 256128002608.

The previous prime is 320160003263. The next prime is 320160003281. The reversal of 320160003265 is 562300061023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562300061023 = 15923 ⋅35313701.

It can be written as a sum of positive squares in 2 ways, for example, as 103854085696 + 216305917569 = 322264^2 + 465087^2 .

It is a cyclic number.

It is not a de Polignac number, because 320160003265 - 2¹ = 320160003263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320160003263) 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, 32016000322 + ... + 32016000331.

It is an arithmetic number, because the mean of its divisors is an integer number (96048000981).

Almost surely, 2^320160003265 is an apocalyptic number.

It is an amenable number.

320160003265 is a deficient number, since it is larger than the sum of its proper divisors (64032000659).

320160003265 is an equidigital number, since it uses as much as digits as its factorization.

320160003265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64032000658.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 320160003265 its reverse (562300061023), we get a palindrome (882460064288).

The spelling of 320160003265 in words is "three hundred twenty billion, one hundred sixty million, three thousand, two hundred sixty-five".