3668384018 has 16 divisors (see below), whose sum is σ = 6086010840. Its totient is φ = 1647340416.

The previous prime is 3668383987. The next prime is 3668384063. The reversal of 3668384018 is 8104838663.

It can be written as a sum of positive squares in 4 ways, for example, as 2983672129 + 684711889 = 54623^2 + 26167^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905683 + ... + 1907606.

Almost surely, 2^3668384018 is an apocalyptic number.

3668384018 is a deficient number, since it is larger than the sum of its proper divisors (2417626822).

3668384018 is a wasteful number, since it uses less digits than its factorization.

3668384018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813341.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 3668384018 is about 60567.1859838312. The cubic root of 3668384018 is about 1542.2623769671.

The spelling of 3668384018 in words is "three billion, six hundred sixty-eight million, three hundred eighty-four thousand, eighteen".