206097680550 has 24 divisors (see below), whose sum is σ = 511122248136. Its totient is φ = 54959381440.

The previous prime is 206097680549. The next prime is 206097680557. The reversal of 206097680550 is 55086790602.

It is a happy number.

206097680550 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 206097680550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206097680557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686992119 + ... + 686992418.

It is an arithmetic number, because the mean of its divisors is an integer number (21296760339).

Almost surely, 2^206097680550 is an apocalyptic number.

206097680550 is an abundant number, since it is smaller than the sum of its proper divisors (305024567586).

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

206097680550 is a wasteful number, since it uses less digits than its factorization.

206097680550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373984552 (or 1373984547 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 206097680550 in words is "two hundred six billion, ninety-seven million, six hundred eighty thousand, five hundred fifty".