206450221660224 has 112 divisors (see below), whose sum is σ = 546968070318720. Its totient is φ = 68724139438080.

The previous prime is 206450221660219. The next prime is 206450221660253. The reversal of 206450221660224 is 422066122054602.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1297704717 + ... + 1297863795.

Almost surely, 2^{206450221660224} is an apocalyptic number.

206450221660224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206450221660224 is an abundant number, since it is smaller than the sum of its proper divisors (340517848658496).

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

206450221660224 is a wasteful number, since it uses less digits than its factorization.

206450221660224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168148 (or 168138 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 206450221660224 in words is "two hundred six trillion, four hundred fifty billion, two hundred twenty-one million, six hundred sixty thousand, two hundred twenty-four".