1608984866 has 16 divisors (see below), whose sum is σ = 2542168800. Its totient is φ = 761650848.

The previous prime is 1608984859. The next prime is 1608984877. The reversal of 1608984866 is 6684898061.

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 7 ways as a sum of consecutive naturals, for example, 48446 + ... + 74598.

It is an arithmetic number, because the mean of its divisors is an integer number (158885550).

Almost surely, 2^1608984866 is an apocalyptic number.

1608984866 is a deficient number, since it is larger than the sum of its proper divisors (933183934).

1608984866 is a wasteful number, since it uses less digits than its factorization.

1608984866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27793.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 1608984866 is about 40112.1535946401. The cubic root of 1608984866 is about 1171.7923355696.

The spelling of 1608984866 in words is "one billion, six hundred eight million, nine hundred eighty-four thousand, eight hundred sixty-six".