206240664224 has 48 divisors (see below), whose sum is σ = 464866008768. Its totient is φ = 88231805952.

The previous prime is 206240664221. The next prime is 206240664241. The reversal of 206240664224 is 422466042602.

It is not an unprimeable number, because it can be changed into a prime (206240664221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691577 + ... + 943800.

It is an arithmetic number, because the mean of its divisors is an integer number (9684708516).

Almost surely, 2^206240664224 is an apocalyptic number.

It is an amenable number.

206240664224 is an abundant number, since it is smaller than the sum of its proper divisors (258625344544).

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

206240664224 is a wasteful number, since it uses less digits than its factorization.

206240664224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635957 (or 1635949 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 206240664224 in words is "two hundred six billion, two hundred forty million, six hundred sixty-four thousand, two hundred twenty-four".