206555035650 has 48 divisors (see below), whose sum is σ = 513013397184. Its totient is φ = 54999954880.

The previous prime is 206555035649. The next prime is 206555035651. The reversal of 206555035650 is 56530555602.

It is an interprime number because it is at equal distance from previous prime (206555035649) and next prime (206555035651).

It is not an unprimeable number, because it can be changed into a prime (206555035651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915462 + ... + 1118561.

It is an arithmetic number, because the mean of its divisors is an integer number (10687779108).

Almost surely, 2^206555035650 is an apocalyptic number.

206555035650 is an abundant number, since it is smaller than the sum of its proper divisors (306458361534).

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

206555035650 is a wasteful number, since it uses less digits than its factorization.

206555035650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034715 (or 2034710 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 206555035650 in words is "two hundred six billion, five hundred fifty-five million, thirty-five thousand, six hundred fifty".