206517340166 has 8 divisors (see below), whose sum is σ = 309801003264. Its totient is φ = 103250339080.

The previous prime is 206517340157. The next prime is 206517340231. The reversal of 206517340166 is 661043715602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4134470 + ... + 4184121.

It is an arithmetic number, because the mean of its divisors is an integer number (38725125408).

Almost surely, 2^206517340166 is an apocalyptic number.

206517340166 is a deficient number, since it is larger than the sum of its proper divisors (103283663098).

206517340166 is a wasteful number, since it uses less digits than its factorization.

206517340166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331006.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 206517340166 in words is "two hundred six billion, five hundred seventeen million, three hundred forty thousand, one hundred sixty-six".