216007286 has 16 divisors (see below), whose sum is σ = 356969808. Its totient is φ = 97212000.

The previous prime is 216007273. The next prime is 216007289. The reversal of 216007286 is 682700612.

216007286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216007289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46385 + ... + 50828.

It is an arithmetic number, because the mean of its divisors is an integer number (22310613).

Almost surely, 2^216007286 is an apocalyptic number.

216007286 is a deficient number, since it is larger than the sum of its proper divisors (140962522).

216007286 is a wasteful number, since it uses less digits than its factorization.

216007286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97327.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 216007286 is about 14697.1863293625. The cubic root of 216007286 is about 600.0067462204.

Adding to 216007286 its reverse (682700612), we get a palindrome (898707898).

The spelling of 216007286 in words is "two hundred sixteen million, seven thousand, two hundred eighty-six".