1116163321 has 32 divisors (see below), whose sum is σ = 1392652800. Its totient is φ = 871064064.

The previous prime is 1116163309. The next prime is 1116163327. The reversal of 1116163321 is 1233616111.

It is not a de Polignac number, because 1116163321 - 2⁷ = 1116163193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116163327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3565861 + ... + 3566173.

It is an arithmetic number, because the mean of its divisors is an integer number (43520400).

Almost surely, 2^1116163321 is an apocalyptic number.

It is an amenable number.

1116163321 is a deficient number, since it is larger than the sum of its proper divisors (276489479).

1116163321 is a wasteful number, since it uses less digits than its factorization.

1116163321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 648, while the sum is 25.

The square root of 1116163321 is about 33409.0305306814. The cubic root of 1116163321 is about 1037.3116343760.

Adding to 1116163321 its reverse (1233616111), we get a palindrome (2349779432).

The spelling of 1116163321 in words is "one billion, one hundred sixteen million, one hundred sixty-three thousand, three hundred twenty-one".