206663614 has 4 divisors (see below), whose sum is σ = 309995424. Its totient is φ = 103331806.

The previous prime is 206663603. The next prime is 206663617. The reversal of 206663614 is 416366602.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 206663614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206663617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51665902 + ... + 51665905.

It is an arithmetic number, because the mean of its divisors is an integer number (77498856).

Almost surely, 2^206663614 is an apocalyptic number.

206663614 is a deficient number, since it is larger than the sum of its proper divisors (103331810).

206663614 is a wasteful number, since it uses less digits than its factorization.

206663614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103331809.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 206663614 is about 14375.7995951530. The cubic root of 206663614 is about 591.2275638363.

The spelling of 206663614 in words is "two hundred six million, six hundred sixty-three thousand, six hundred fourteen".