206866683432 has 192 divisors, whose sum is σ = 591272136000. Its totient is φ = 67745631744.

The previous prime is 206866683349. The next prime is 206866683469. The reversal of 206866683432 is 234386668602.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38171619 + ... + 38177037.

It is an arithmetic number, because the mean of its divisors is an integer number (3079542375).

Almost surely, 2^206866683432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206866683432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295636068000).

206866683432 is an abundant number, since it is smaller than the sum of its proper divisors (384405452568).

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

206866683432 is a wasteful number, since it uses less digits than its factorization.

206866683432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 206866683432 in words is "two hundred six billion, eight hundred sixty-six million, six hundred eighty-three thousand, four hundred thirty-two".