663014125012218 has 64 divisors (see below), whose sum is σ = 1526234260826880. Its totient is φ = 188088824673792.

The previous prime is 663014125012199. The next prime is 663014125012223. The reversal of 663014125012218 is 812210521410366.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 663014125012218.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54769683 + ... + 65770406.

It is an arithmetic number, because the mean of its divisors is an integer number (23847410325420).

Almost surely, 2^{663014125012218} is an apocalyptic number.

663014125012218 is an abundant number, since it is smaller than the sum of its proper divisors (863220135814662).

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

663014125012218 is a wasteful number, since it uses less digits than its factorization.

663014125012218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120541031.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 663014125012218 in words is "six hundred sixty-three trillion, fourteen billion, one hundred twenty-five million, twelve thousand, two hundred eighteen".