16383180868 has 6 divisors (see below), whose sum is σ = 28670566526. Its totient is φ = 8191590432.

The previous prime is 16383180841. The next prime is 16383180907. The reversal of 16383180868 is 86808138361.

It can be written as a sum of positive squares in only one way, i.e., 10486169604 + 5897011264 = 102402^2 + 76792^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047897605 + ... + 2047897612.

Almost surely, 2^16383180868 is an apocalyptic number.

It is an amenable number.

16383180868 is a deficient number, since it is larger than the sum of its proper divisors (12287385658).

16383180868 is a wasteful number, since it uses less digits than its factorization.

16383180868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095795221 (or 4095795219 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 16383180868 in words is "sixteen billion, three hundred eighty-three million, one hundred eighty thousand, eight hundred sixty-eight".