216013105 has 32 divisors (see below), whose sum is σ = 325721088. Its totient is φ = 133598400.

The previous prime is 216013103. The next prime is 216013111. The reversal of 216013105 is 501310612.

It is not a de Polignac number, because 216013105 - 2¹ = 216013103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216013103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48294 + ... + 52576.

It is an arithmetic number, because the mean of its divisors is an integer number (10178784).

Almost surely, 2^216013105 is an apocalyptic number.

It is an amenable number.

216013105 is a deficient number, since it is larger than the sum of its proper divisors (109707983).

216013105 is a wasteful number, since it uses less digits than its factorization.

216013105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 216013105 is about 14697.3842910907. The cubic root of 216013105 is about 600.0121340139.

Adding to 216013105 its reverse (501310612), we get a palindrome (717323717).

The spelling of 216013105 in words is "two hundred sixteen million, thirteen thousand, one hundred five".