206159020186 has 16 divisors (see below), whose sum is σ = 353445644160. Its totient is φ = 88346320560.

The previous prime is 206159020169. The next prime is 206159020253. The reversal of 206159020186 is 681020951602.

206159020186 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×206159020186³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457366 + ... + 788353.

It is an arithmetic number, because the mean of its divisors is an integer number (22090352760).

Almost surely, 2^206159020186 is an apocalyptic number.

206159020186 is a deficient number, since it is larger than the sum of its proper divisors (147286623974).

206159020186 is a wasteful number, since it uses less digits than its factorization.

206159020186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257549.

The product of its (nonzero) digits is 51840, while the sum is 40.

Adding to 206159020186 its reverse (681020951602), we get a palindrome (887179971788).

The spelling of 206159020186 in words is "two hundred six billion, one hundred fifty-nine million, twenty thousand, one hundred eighty-six".