206266432672 has 12 divisors (see below), whose sum is σ = 406087039386. Its totient is φ = 103133216320.

The previous prime is 206266432657. The next prime is 206266432679. The reversal of 206266432672 is 276234662602.

It can be written as a sum of positive squares in only one way, i.e., 194766872976 + 11499559696 = 441324^2 + 107236^2 .

It is not an unprimeable number, because it can be changed into a prime (206266432679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222912979 + ... + 3222913042.

Almost surely, 2^206266432672 is an apocalyptic number.

It is an amenable number.

206266432672 is a deficient number, since it is larger than the sum of its proper divisors (199820606714).

206266432672 is an equidigital number, since it uses as much as digits as its factorization.

206266432672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445826031 (or 6445826023 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 206266432672 in words is "two hundred six billion, two hundred sixty-six million, four hundred thirty-two thousand, six hundred seventy-two".