867566166166 has 8 divisors (see below), whose sum is σ = 1487256284880. Its totient is φ = 371814071208.

The previous prime is 867566166163. The next prime is 867566166193. The reversal of 867566166166 is 661661665768.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 867566166098 and 867566166107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867566166163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30984505921 + ... + 30984505948.

It is an arithmetic number, because the mean of its divisors is an integer number (185907035610).

Almost surely, 2^867566166166 is an apocalyptic number.

867566166166 is a deficient number, since it is larger than the sum of its proper divisors (619690118714).

867566166166 is a wasteful number, since it uses less digits than its factorization.

867566166166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61969011878.

The product of its digits is 78382080, while the sum is 64.

The spelling of 867566166166 in words is "eight hundred sixty-seven billion, five hundred sixty-six million, one hundred sixty-six thousand, one hundred sixty-six".