216415112 has 32 divisors (see below), whose sum is σ = 416793600. Its totient is φ = 105303744.

The previous prime is 216415103. The next prime is 216415181. The reversal of 216415112 is 211514612.

216415112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51839 + ... + 55857.

It is an arithmetic number, because the mean of its divisors is an integer number (13024800).

Almost surely, 2^216415112 is an apocalyptic number.

It is an amenable number.

216415112 is a deficient number, since it is larger than the sum of its proper divisors (200378488).

216415112 is a wasteful number, since it uses less digits than its factorization.

216415112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4201 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 216415112 is about 14711.0540750825. The cubic root of 216415112 is about 600.3841170007.

Adding to 216415112 its reverse (211514612), we get a palindrome (427929724).

The spelling of 216415112 in words is "two hundred sixteen million, four hundred fifteen thousand, one hundred twelve".