206646133432 has 8 divisors (see below), whose sum is σ = 387461500200. Its totient is φ = 103323066712.

The previous prime is 206646133279. The next prime is 206646133471. The reversal of 206646133432 is 234331646602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12915383332 + ... + 12915383347.

It is an arithmetic number, because the mean of its divisors is an integer number (48432687525).

Almost surely, 2^206646133432 is an apocalyptic number.

It is an amenable number.

206646133432 is a deficient number, since it is larger than the sum of its proper divisors (180815366768).

206646133432 is a wasteful number, since it uses less digits than its factorization.

206646133432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25830766685 (or 25830766681 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 206646133432 in words is "two hundred six billion, six hundred forty-six million, one hundred thirty-three thousand, four hundred thirty-two".