216580282 has 8 divisors (see below), whose sum is σ = 338995296. Its totient is φ = 103581852.

The previous prime is 216580271. The next prime is 216580319. The reversal of 216580282 is 282085612.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2354088 + ... + 2354179.

It is an arithmetic number, because the mean of its divisors is an integer number (42374412).

Almost surely, 2^216580282 is an apocalyptic number.

216580282 is a deficient number, since it is larger than the sum of its proper divisors (122415014).

216580282 is a wasteful number, since it uses less digits than its factorization.

216580282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708292.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 216580282 is about 14716.6668101170. Note that the first 3 decimals coincide. The cubic root of 216580282 is about 600.5368177161.

The spelling of 216580282 in words is "two hundred sixteen million, five hundred eighty thousand, two hundred eighty-two".