206512233213166 has 16 divisors (see below), whose sum is σ = 311144440219200. Its totient is φ = 102797641997568.

The previous prime is 206512233213133. The next prime is 206512233213179. The reversal of 206512233213166 is 661312332215602.

It is a congruent number.

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, 53686695 + ... + 57404578.

It is an arithmetic number, because the mean of its divisors is an integer number (19446527513700).

Almost surely, 2^{206512233213166} is an apocalyptic number.

206512233213166 is a deficient number, since it is larger than the sum of its proper divisors (104632207006034).

206512233213166 is a wasteful number, since it uses less digits than its factorization.

206512233213166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111095403.

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 206512233213166 its reverse (661312332215602), we get a palindrome (867824565428768).

The spelling of 206512233213166 in words is "two hundred six trillion, five hundred twelve billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred sixty-six".