1322160665 has 16 divisors (see below), whose sum is σ = 1842977280. Its totient is φ = 891760320.

The previous prime is 1322160659. The next prime is 1322160739. The reversal of 1322160665 is 5660612231.

It is not a de Polignac number, because 1322160665 - 2¹² = 1322156569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307505 + ... + 311774.

It is an arithmetic number, because the mean of its divisors is an integer number (115186080).

Almost surely, 2^1322160665 is an apocalyptic number.

It is an amenable number.

1322160665 is a deficient number, since it is larger than the sum of its proper divisors (520816615).

1322160665 is an equidigital number, since it uses as much as digits as its factorization.

1322160665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619352.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1322160665 is about 36361.5272644041. The cubic root of 1322160665 is about 1097.5595109585.

Adding to 1322160665 its reverse (5660612231), we get a palindrome (6982772896).

The spelling of 1322160665 in words is "one billion, three hundred twenty-two million, one hundred sixty thousand, six hundred sixty-five".