243106650 has 192 divisors, whose sum is σ = 714716160. Its totient is φ = 60652800.

The previous prime is 243106631. The next prime is 243106667. The reversal of 243106650 is 56601342.

243106650 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 0 + 6 + 650 = 666.

243106650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1548372 + ... + 1548528.

It is an arithmetic number, because the mean of its divisors is an integer number (3722480).

Almost surely, 2^243106650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243106650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357358080).

243106650 is an abundant number, since it is smaller than the sum of its proper divisors (471609510).

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

243106650 is a wasteful number, since it uses less digits than its factorization.

243106650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 243106650 is about 15591.8776932094. The cubic root of 243106650 is about 624.1164261309.

Adding to 243106650 its reverse (56601342), we get a palindrome (299707992).

The spelling of 243106650 in words is "two hundred forty-three million, one hundred six thousand, six hundred fifty".