206666245143110 has 32 divisors (see below), whose sum is σ = 378442838361600. Its totient is φ = 81235613702880.

The previous prime is 206666245143103. The next prime is 206666245143121. The reversal of 206666245143110 is 11341542666602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62519390 + ... + 65741969.

It is an arithmetic number, because the mean of its divisors is an integer number (11826338698800).

Almost surely, 2^{206666245143110} is an apocalyptic number.

206666245143110 is a deficient number, since it is larger than the sum of its proper divisors (171776593218490).

206666245143110 is a wasteful number, since it uses less digits than its factorization.

206666245143110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128264156.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 206666245143110 in words is "two hundred six trillion, six hundred sixty-six billion, two hundred forty-five million, one hundred forty-three thousand, one hundred ten".