16347283666 has 12 divisors (see below), whose sum is σ = 28524342078. Its totient is φ = 7005978672.

The previous prime is 16347283621. The next prime is 16347283681. The reversal of 16347283666 is 66638274361.

It can be written as a sum of positive squares in only one way, i.e., 15990867025 + 356416641 = 126455^2 + 18879^2 .

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 5 ways as a sum of consecutive naturals, for example, 83404411 + ... + 83404606.

Almost surely, 2^16347283666 is an apocalyptic number.

16347283666 is a deficient number, since it is larger than the sum of its proper divisors (12177058412).

16347283666 is a wasteful number, since it uses less digits than its factorization.

16347283666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166809033 (or 166809026 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The spelling of 16347283666 in words is "sixteen billion, three hundred forty-seven million, two hundred eighty-three thousand, six hundred sixty-six".