663610664414214 has 64 divisors (see below), whose sum is σ = 1609255394945280. Its totient is φ = 201031357095360.

The previous prime is 663610664414183. The next prime is 663610664414279. The reversal of 663610664414214 is 412414466016366.

663610664414214 is a `hidden beast` number, since 6 + 6 + 3 + 6 + 1 + 0 + 6 + 6 + 4 + 414 + 214 = 666.

It is a super-2 number, since 2×663610664414214² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

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, 172494807 + ... + 176299970.

It is an arithmetic number, because the mean of its divisors is an integer number (25144615546020).

Almost surely, 2^{663610664414214} is an apocalyptic number.

663610664414214 is an abundant number, since it is smaller than the sum of its proper divisors (945644730531066).

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

663610664414214 is a wasteful number, since it uses less digits than its factorization.

663610664414214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348798002 (or 348797996 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 54.

The spelling of 663610664414214 in words is "six hundred sixty-three trillion, six hundred ten billion, six hundred sixty-four million, four hundred fourteen thousand, two hundred fourteen".