3868318618 has 32 divisors (see below), whose sum is σ = 6498838656. Its totient is φ = 1717360128.

The previous prime is 3868318591. The next prime is 3868318621. The reversal of 3868318618 is 8168138683.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23205 + ... + 90967.

It is an arithmetic number, because the mean of its divisors is an integer number (203088708).

Almost surely, 2^3868318618 is an apocalyptic number.

3868318618 is a deficient number, since it is larger than the sum of its proper divisors (2630520038).

3868318618 is a wasteful number, since it uses less digits than its factorization.

3868318618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67878.

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

The square root of 3868318618 is about 62195.8086851518. The cubic root of 3868318618 is about 1569.7870643097.

The spelling of 3868318618 in words is "three billion, eight hundred sixty-eight million, three hundred eighteen thousand, six hundred eighteen".