216085472 has 24 divisors (see below), whose sum is σ = 426144600. Its totient is φ = 107858304.

The previous prime is 216085459. The next prime is 216085481. The reversal of 216085472 is 274580612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14354 + ... + 25262.

It is an arithmetic number, because the mean of its divisors is an integer number (17756025).

Almost surely, 2^216085472 is an apocalyptic number.

It is an amenable number.

216085472 is a deficient number, since it is larger than the sum of its proper divisors (210059128).

216085472 is a wasteful number, since it uses less digits than its factorization.

216085472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538 (or 11530 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 216085472 is about 14699.8459855877. The cubic root of 216085472 is about 600.0791303043.

The spelling of 216085472 in words is "two hundred sixteen million, eighty-five thousand, four hundred seventy-two".