206662245 has 16 divisors (see below), whose sum is σ = 345036672. Its totient is φ = 105427520.

The previous prime is 206662229. The next prime is 206662271. The reversal of 206662245 is 542266602.

It is not a de Polignac number, because 206662245 - 2⁴ = 206662229 is a prime.

It is a Curzon number.

It is a congruent number.

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, 299166 + ... + 299855.

It is an arithmetic number, because the mean of its divisors is an integer number (21564792).

Almost surely, 2^206662245 is an apocalyptic number.

It is an amenable number.

206662245 is a deficient number, since it is larger than the sum of its proper divisors (138374427).

206662245 is a wasteful number, since it uses less digits than its factorization.

206662245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599052.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 206662245 is about 14375.7519803313. The cubic root of 206662245 is about 591.2262583455.

The spelling of 206662245 in words is "two hundred six million, six hundred sixty-two thousand, two hundred forty-five".