206564364330 has 32 divisors (see below), whose sum is σ = 498104036928. Its totient is φ = 54822768000.

The previous prime is 206564364311. The next prime is 206564364403. The reversal of 206564364330 is 33463465602.

It is a super-3 number, since 3×206564364330³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16309971 + ... + 16322630.

It is an arithmetic number, because the mean of its divisors is an integer number (15565751154).

Almost surely, 2^206564364330 is an apocalyptic number.

206564364330 is an abundant number, since it is smaller than the sum of its proper divisors (291539672598).

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

206564364330 is a wasteful number, since it uses less digits than its factorization.

206564364330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32632822.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 206564364330 in words is "two hundred six billion, five hundred sixty-four million, three hundred sixty-four thousand, three hundred thirty".