662118445218 has 256 divisors, whose sum is σ = 1505053900800. Its totient is φ = 193348995840.

The previous prime is 662118445141. The next prime is 662118445231. The reversal of 662118445218 is 812544811266.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1049315763 + ... + 1049316393.

It is an arithmetic number, because the mean of its divisors is an integer number (5879116800).

Almost surely, 2^662118445218 is an apocalyptic number.

662118445218 is an abundant number, since it is smaller than the sum of its proper divisors (842935455582).

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

662118445218 is a wasteful number, since it uses less digits than its factorization.

662118445218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885.

The product of its digits is 737280, while the sum is 48.

The spelling of 662118445218 in words is "six hundred sixty-two billion, one hundred eighteen million, four hundred forty-five thousand, two hundred eighteen".