660660060018 has 32 divisors (see below), whose sum is σ = 1516851818496. Its totient is φ = 187913557008.

The previous prime is 660660060017. The next prime is 660660060019. The reversal of 660660060018 is 810060066066.

It is an interprime number because it is at equal distance from previous prime (660660060017) and next prime (660660060019).

It is not an unprimeable number, because it can be changed into a prime (660660060017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35259696 + ... + 35278427.

It is an arithmetic number, because the mean of its divisors is an integer number (47401619328).

Almost surely, 2^660660060018 is an apocalyptic number.

660660060018 is an abundant number, since it is smaller than the sum of its proper divisors (856191758478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660660060018 is a wasteful number, since it uses less digits than its factorization.

660660060018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70538358.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 660660060018 in words is "six hundred sixty billion, six hundred sixty million, sixty thousand, eighteen".