16134219666 has 12 divisors (see below), whose sum is σ = 34957475982. Its totient is φ = 5378073216.

The previous prime is 16134219623. The next prime is 16134219671. The reversal of 16134219666 is 66691243161.

16134219666 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 only one way, i.e., 15719893641 + 414326025 = 125379^2 + 20355^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448172751 + ... + 448172786.

Almost surely, 2^16134219666 is an apocalyptic number.

16134219666 is an abundant number, since it is smaller than the sum of its proper divisors (18823256316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16134219666 is a wasteful number, since it uses less digits than its factorization.

16134219666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896345545 (or 896345542 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 16134219666 in words is "sixteen billion, one hundred thirty-four million, two hundred nineteen thousand, six hundred sixty-six".