206053316664 has 128 divisors (see below), whose sum is σ = 573413299200. Its totient is φ = 61304348160.

The previous prime is 206053316653. The next prime is 206053316669. The reversal of 206053316664 is 466613350602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206053316669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031137 + ... + 1214639.

It is an arithmetic number, because the mean of its divisors is an integer number (4479791400).

Almost surely, 2^206053316664 is an apocalyptic number.

206053316664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206053316664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286706649600).

206053316664 is an abundant number, since it is smaller than the sum of its proper divisors (367359982536).

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

206053316664 is a wasteful number, since it uses less digits than its factorization.

206053316664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183645 (or 183641 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 206053316664 in words is "two hundred six billion, fifty-three million, three hundred sixteen thousand, six hundred sixty-four".