216593112 has 32 divisors (see below), whose sum is σ = 560156400. Its totient is φ = 69707904.

The previous prime is 216593101. The next prime is 216593131. The reversal of 216593112 is 211395612.

It is a self number, because there is not a number n which added to its sum of digits gives 216593112.

It is a congruent number.

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, 154903 + ... + 156294.

Almost surely, 2^216593112 is an apocalyptic number.

It is an amenable number.

216593112 is an abundant number, since it is smaller than the sum of its proper divisors (343563288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216593112 is a wasteful number, since it uses less digits than its factorization.

216593112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311235 (or 311231 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 216593112 is about 14717.1027039971. The cubic root of 216593112 is about 600.5486758828.

The spelling of 216593112 in words is "two hundred sixteen million, five hundred ninety-three thousand, one hundred twelve".