169423860866 has 8 divisors (see below), whose sum is σ = 273684698364. Its totient is φ = 78195628080.

The previous prime is 169423860863. The next prime is 169423860889. The reversal of 169423860866 is 668068324961.

It is a happy number.

169423860866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163422105025 + 6001755841 = 404255^2 + 77471^2 .

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

It is not an unprimeable number, because it can be changed into a prime (169423860863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3258151145 + ... + 3258151196.

Almost surely, 2^169423860866 is an apocalyptic number.

169423860866 is a deficient number, since it is larger than the sum of its proper divisors (104260837498).

169423860866 is a wasteful number, since it uses less digits than its factorization.

169423860866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516302356.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 169423860866 in words is "one hundred sixty-nine billion, four hundred twenty-three million, eight hundred sixty thousand, eight hundred sixty-six".