206220571661150 has 48 divisors (see below), whose sum is σ = 385401898391760. Its totient is φ = 82095169440000.

The previous prime is 206220571661147. The next prime is 206220571661161. The reversal of 206220571661150 is 51166175022602.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698351 + ... + 20320650.

It is an arithmetic number, because the mean of its divisors is an integer number (8029206216495).

Almost surely, 2^{206220571661150} is an apocalyptic number.

206220571661150 is a deficient number, since it is larger than the sum of its proper divisors (179181326730610).

206220571661150 is a wasteful number, since it uses less digits than its factorization.

206220571661150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21019949 (or 21019944 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 206220571661150 in words is "two hundred six trillion, two hundred twenty billion, five hundred seventy-one million, six hundred sixty-one thousand, one hundred fifty".