3663408818 has 16 divisors (see below), whose sum is σ = 5867976960. Its totient is φ = 1711491600.

The previous prime is 3663408769. The next prime is 3663408823. The reversal of 3663408818 is 8188043663.

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, 1016948 + ... + 1020543.

It is an arithmetic number, because the mean of its divisors is an integer number (366748560).

Almost surely, 2^3663408818 is an apocalyptic number.

3663408818 is a deficient number, since it is larger than the sum of its proper divisors (2204568142).

3663408818 is a wasteful number, since it uses less digits than its factorization.

3663408818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037553.

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

The square root of 3663408818 is about 60526.1003039185. The cubic root of 3663408818 is about 1541.5648368342.

The spelling of 3663408818 in words is "three billion, six hundred sixty-three million, four hundred eight thousand, eight hundred eighteen".