216217113 has 8 divisors (see below), whose sum is σ = 329473728. Its totient is φ = 123552624.

The previous prime is 216217039. The next prime is 216217117. The reversal of 216217113 is 311712612.

216217113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216217113 - 2¹² = 216213017 is a prime.

It is a super-3 number, since 3×216217113³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (216217117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5148006 + ... + 5148047.

It is an arithmetic number, because the mean of its divisors is an integer number (41184216).

Almost surely, 2^216217113 is an apocalyptic number.

It is an amenable number.

216217113 is a deficient number, since it is larger than the sum of its proper divisors (113256615).

216217113 is a wasteful number, since it uses less digits than its factorization.

216217113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296063.

The product of its digits is 504, while the sum is 24.

The square root of 216217113 is about 14704.3229357900. The cubic root of 216217113 is about 600.2009632377.

Adding to 216217113 its reverse (311712612), we get a palindrome (527929725).

The spelling of 216217113 in words is "two hundred sixteen million, two hundred seventeen thousand, one hundred thirteen".