200646541064550 has 96 divisors (see below), whose sum is σ = 569480572339200. Its totient is φ = 45798280450560.

The previous prime is 200646541064549. The next prime is 200646541064561. The reversal of 200646541064550 is 55460145646002.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200646541064550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132132355 + ... + 133642254.

It is an arithmetic number, because the mean of its divisors is an integer number (5932089295200).

Almost surely, 2^{200646541064550} is an apocalyptic number.

200646541064550 is an abundant number, since it is smaller than the sum of its proper divisors (368834031274650).

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

200646541064550 is a wasteful number, since it uses less digits than its factorization.

200646541064550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265775350 (or 265775345 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 200646541064550 in words is "two hundred trillion, six hundred forty-six billion, five hundred forty-one million, sixty-four thousand, five hundred fifty".