206166025103163 has 8 divisors (see below), whose sum is σ = 274944467083776. Its totient is φ = 137415799929000.

The previous prime is 206166025103161. The next prime is 206166025103197. The reversal of 206166025103163 is 361301520661602.

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

It is not a de Polignac number, because 206166025103163 - 2¹ = 206166025103161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206166025103161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7054184563 + ... + 7054213788.

It is an arithmetic number, because the mean of its divisors is an integer number (34368058385472).

Almost surely, 2^{206166025103163} is an apocalyptic number.

206166025103163 is a deficient number, since it is larger than the sum of its proper divisors (68778441980613).

206166025103163 is a wasteful number, since it uses less digits than its factorization.

206166025103163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14108403225.

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 206166025103163 its reverse (361301520661602), we get a palindrome (567467545764765).

The spelling of 206166025103163 in words is "two hundred six trillion, one hundred sixty-six billion, twenty-five million, one hundred three thousand, one hundred sixty-three".