206564364364 has 12 divisors (see below), whose sum is σ = 373952728800. Its totient is φ = 99720727568.

The previous prime is 206564364311. The next prime is 206564364403. The reversal of 206564364364 is 463463465602.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 890363524 + ... + 890363755.

It is an arithmetic number, because the mean of its divisors is an integer number (31162727400).

Almost surely, 2^206564364364 is an apocalyptic number.

It is an amenable number.

206564364364 is a deficient number, since it is larger than the sum of its proper divisors (167388364436).

206564364364 is a wasteful number, since it uses less digits than its factorization.

206564364364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780727312 (or 1780727310 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 206564364364 in words is "two hundred six billion, five hundred sixty-four million, three hundred sixty-four thousand, three hundred sixty-four".