243066650 has 24 divisors (see below), whose sum is σ = 453302460. Its totient is φ = 96968960.

The previous prime is 243066631. The next prime is 243066667. The reversal of 243066650 is 56660342.

It can be written as a sum of positive squares in 6 ways, for example, as 60357361 + 182709289 = 7769^2 + 13517^2 .

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 13202 + ... + 25698.

Almost surely, 2^243066650 is an apocalyptic number.

243066650 is a deficient number, since it is larger than the sum of its proper divisors (210235810).

243066650 is a wasteful number, since it uses less digits than its factorization.

243066650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12898 (or 12893 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 243066650 is about 15590.5949212979. The cubic root of 243066650 is about 624.0821942051.

The spelling of 243066650 in words is "two hundred forty-three million, sixty-six thousand, six hundred fifty".