2163316 has 24 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1026720.

The previous prime is 2163307. The next prime is 2163341. The reversal of 2163316 is 6133612.

It is a super-2 number, since 2×2163316² = 9359872231712, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6801 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

2^2163316 is an apocalyptic number.

It is an amenable number.

2163316 is a deficient number, since it is larger than the sum of its proper divisors (1820300).

2163316 is a wasteful number, since it uses less digits than its factorization.

2163316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 2163316 is about 1470.8215391406. The cubic root of 2163316 is about 129.3321967047.

Adding to 2163316 its reverse (6133612), we get a palindrome (8296928).

The spelling of 2163316 in words is "two million, one hundred sixty-three thousand, three hundred sixteen".