206630416 has 10 divisors (see below), whose sum is σ = 400346462. Its totient is φ = 103315200.

The previous prime is 206630399. The next prime is 206630419. The reversal of 206630416 is 614036602.

It can be written as a sum of positive squares in only one way, i.e., 143904016 + 62726400 = 11996^2 + 7920^2 .

It is a super-2 number, since 2×206630416² = 85392257632666112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206630419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457185 + ... + 6457216.

Almost surely, 2^206630416 is an apocalyptic number.

It is an amenable number.

206630416 is a deficient number, since it is larger than the sum of its proper divisors (193716046).

206630416 is a wasteful number, since it uses less digits than its factorization.

206630416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914409 (or 12914403 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 206630416 is about 14374.6448999619. The cubic root of 206630416 is about 591.1959042981.

It can be divided in two parts, 206630 and 416, that added together give a triangular number (207046 = T₆₄₃).

The spelling of 206630416 in words is "two hundred six million, six hundred thirty thousand, four hundred sixteen".