210199266 has 32 divisors (see below), whose sum is σ = 473517120. Its totient is φ = 69105312.

The previous prime is 210199247. The next prime is 210199289. The reversal of 210199266 is 662991012.

210199266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210199266.

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 15 ways as a sum of consecutive naturals, for example, 22720 + ... + 30603.

It is an arithmetic number, because the mean of its divisors is an integer number (14797410).

Almost surely, 2^210199266 is an apocalyptic number.

210199266 is an abundant number, since it is smaller than the sum of its proper divisors (263317854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210199266 is a wasteful number, since it uses less digits than its factorization.

210199266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53407 (or 53401 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 210199266 is about 14498.2504461745. The cubic root of 210199266 is about 594.5801392640.

The spelling of 210199266 in words is "two hundred ten million, one hundred ninety-nine thousand, two hundred sixty-six".