216113107 has 4 divisors (see below), whose sum is σ = 246986416. Its totient is φ = 185239800.

The previous prime is 216113089. The next prime is 216113113. The reversal of 216113107 is 701311612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216113107 - 2¹⁵ = 216080339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216113147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15436644 + ... + 15436657.

It is an arithmetic number, because the mean of its divisors is an integer number (61746604).

Almost surely, 2^216113107 is an apocalyptic number.

216113107 is a deficient number, since it is larger than the sum of its proper divisors (30873309).

216113107 is an equidigital number, since it uses as much as digits as its factorization.

216113107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30873308.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 216113107 is about 14700.7859313712. The cubic root of 216113107 is about 600.1047104289.

Adding to 216113107 its reverse (701311612), we get a palindrome (917424719).

The spelling of 216113107 in words is "two hundred sixteen million, one hundred thirteen thousand, one hundred seven".