2163535216 has 20 divisors (see below), whose sum is σ = 4223852424. Its totient is φ = 1073508800.

The previous prime is 2163535117. The next prime is 2163535249. The reversal of 2163535216 is 6125353612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514015 + ... + 518206.

Almost surely, 2^2163535216 is an apocalyptic number.

It is an amenable number.

2163535216 is a deficient number, since it is larger than the sum of its proper divisors (2060317208).

2163535216 is a wasteful number, since it uses less digits than its factorization.

2163535216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032360 (or 1032354 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2163535216 is about 46513.8174739507. The cubic root of 2163535216 is about 1293.3656511096.

Adding to 2163535216 its reverse (6125353612), we get a palindrome (8288888828).

The spelling of 2163535216 in words is "two billion, one hundred sixty-three million, five hundred thirty-five thousand, two hundred sixteen".