665200230 has 16 divisors (see below), whose sum is σ = 1596480624. Its totient is φ = 177386720.

The previous prime is 665200223. The next prime is 665200253. The reversal of 665200230 is 32002566.

665200230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 665200230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11086641 + ... + 11086700.

It is an arithmetic number, because the mean of its divisors is an integer number (99780039).

Almost surely, 2^665200230 is an apocalyptic number.

665200230 is an abundant number, since it is smaller than the sum of its proper divisors (931280394).

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

665200230 is a wasteful number, since it uses less digits than its factorization.

665200230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22173351.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 665200230 is about 25791.4759174422. The cubic root of 665200230 is about 872.9394693043.

Adding to 665200230 its reverse (32002566), we get a palindrome (697202796).

The spelling of 665200230 in words is "six hundred sixty-five million, two hundred thousand, two hundred thirty".