168667534666 has 32 divisors (see below), whose sum is σ = 264329064000. Its totient is φ = 80637524352.

The previous prime is 168667534657. The next prime is 168667534681. The reversal of 168667534666 is 666435766861.

168667534666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 168667534598 and 168667534607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23655790 + ... + 23662918.

It is an arithmetic number, because the mean of its divisors is an integer number (8260283250).

Almost surely, 2^168667534666 is an apocalyptic number.

168667534666 is a deficient number, since it is larger than the sum of its proper divisors (95661529334).

168667534666 is a wasteful number, since it uses less digits than its factorization.

168667534666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12646.

The product of its digits is 156764160, while the sum is 64.

The spelling of 168667534666 in words is "one hundred sixty-eight billion, six hundred sixty-seven million, five hundred thirty-four thousand, six hundred sixty-six".