216550606 has 8 divisors (see below), whose sum is σ = 326458800. Its totient is φ = 107731008.

The previous prime is 216550583. The next prime is 216550637. The reversal of 216550606 is 606055612.

216550606 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271651 + ... + 272446.

It is an arithmetic number, because the mean of its divisors is an integer number (40807350).

Almost surely, 2^216550606 is an apocalyptic number.

216550606 is a deficient number, since it is larger than the sum of its proper divisors (109908194).

216550606 is a wasteful number, since it uses less digits than its factorization.

216550606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544298.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 216550606 is about 14715.6585309663. The cubic root of 216550606 is about 600.5093877881.

It can be divided in two parts, 216550 and 606, that added together give a square (217156 = 466²).

The spelling of 216550606 in words is "two hundred sixteen million, five hundred fifty thousand, six hundred six".