216211832 has 32 divisors (see below), whose sum is σ = 412663680. Its totient is φ = 106186080.

The previous prime is 216211829. The next prime is 216211841. The reversal of 216211832 is 238112612.

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 7 ways as a sum of consecutive naturals, for example, 106943 + ... + 108945.

It is an arithmetic number, because the mean of its divisors is an integer number (12895740).

Almost surely, 2^216211832 is an apocalyptic number.

It is an amenable number.

216211832 is a deficient number, since it is larger than the sum of its proper divisors (196451848).

216211832 is a wasteful number, since it uses less digits than its factorization.

216211832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2239 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 216211832 is about 14704.1433616515. The cubic root of 216211832 is about 600.1960766570.

The spelling of 216211832 in words is "two hundred sixteen million, two hundred eleven thousand, eight hundred thirty-two".