216606214 has 48 divisors (see below), whose sum is σ = 388632384. Its totient is φ = 90097920.

The previous prime is 216606211. The next prime is 216606233. The reversal of 216606214 is 412606612.

216606214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216606211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151507 + ... + 152929.

It is an arithmetic number, because the mean of its divisors is an integer number (8096508).

Almost surely, 2^216606214 is an apocalyptic number.

216606214 is a deficient number, since it is larger than the sum of its proper divisors (172026170).

216606214 is a wasteful number, since it uses less digits than its factorization.

216606214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 216606214 is about 14717.5478256400. The cubic root of 216606214 is about 600.5607849630.

The spelling of 216606214 in words is "two hundred sixteen million, six hundred six thousand, two hundred fourteen".