663633000330 has 128 divisors (see below), whose sum is σ = 1678553860608. Its totient is φ = 167588585472.

The previous prime is 663633000263. The next prime is 663633000341. The reversal of 663633000330 is 33000336366.

It is a junction number, because it is equal to n+sod(n) for n = 663633000291 and 663633000300.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77731822 + ... + 77740358.

It is an arithmetic number, because the mean of its divisors is an integer number (13113702036).

Almost surely, 2^663633000330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663633000330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839276930304).

663633000330 is an abundant number, since it is smaller than the sum of its proper divisors (1014920860278).

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

663633000330 is a wasteful number, since it uses less digits than its factorization.

663633000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680.

The product of its (nonzero) digits is 52488, while the sum is 33.

Adding to 663633000330 its reverse (33000336366), we get a palindrome (696633336696).

The spelling of 663633000330 in words is "six hundred sixty-three billion, six hundred thirty-three million, three hundred thirty", and thus it is an aban number.