663314232 has 64 divisors (see below), whose sum is σ = 1913633280. Its totient is φ = 187673472.

The previous prime is 663314231. The next prime is 663314251. The reversal of 663314232 is 232413366.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 663314232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663314231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1863 + ... + 36470.

It is an arithmetic number, because the mean of its divisors is an integer number (29900520).

Almost surely, 2^663314232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663314232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956816640).

663314232 is an abundant number, since it is smaller than the sum of its proper divisors (1250319048).

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

663314232 is a wasteful number, since it uses less digits than its factorization.

663314232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38452 (or 38448 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 663314232 is about 25754.8875361552. The cubic root of 663314232 is about 872.1136926360.

Adding to 663314232 its reverse (232413366), we get a palindrome (895727598).

The spelling of 663314232 in words is "six hundred sixty-three million, three hundred fourteen thousand, two hundred thirty-two".