663511002 has 96 divisors (see below), whose sum is σ = 1680932736. Its totient is φ = 170903040.

The previous prime is 663511001. The next prime is 663511007. The reversal of 663511002 is 200115366.

It is not an unprimeable number, because it can be changed into a prime (663511001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 695758 + ... + 696710.

It is an arithmetic number, because the mean of its divisors is an integer number (17509716).

Almost surely, 2^663511002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663511002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840466368).

663511002 is an abundant number, since it is smaller than the sum of its proper divisors (1017421734).

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

663511002 is a wasteful number, since it uses less digits than its factorization.

663511002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 663511002 is about 25758.7073045213. The cubic root of 663511002 is about 872.1999206695.

Adding to 663511002 its reverse (200115366), we get a palindrome (863626368).

The spelling of 663511002 in words is "six hundred sixty-three million, five hundred eleven thousand, two".