3668542618 has 16 divisors (see below), whose sum is σ = 5929138656. Its totient is φ = 1692307440.

The previous prime is 3668542583. The next prime is 3668542639. The reversal of 3668542618 is 8162458663.

It is a happy 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, 17205 + ... + 87367.

It is an arithmetic number, because the mean of its divisors is an integer number (370571166).

Almost surely, 2^3668542618 is an apocalyptic number.

3668542618 is a deficient number, since it is larger than the sum of its proper divisors (2260596038).

3668542618 is a wasteful number, since it uses less digits than its factorization.

3668542618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72189.

The product of its digits is 1658880, while the sum is 49.

The square root of 3668542618 is about 60568.4952594994. The cubic root of 3668542618 is about 1542.2846028561.

The spelling of 3668542618 in words is "three billion, six hundred sixty-eight million, five hundred forty-two thousand, six hundred eighteen".