663430200 has 96 divisors (see below), whose sum is σ = 2066117760. Its totient is φ = 176099200.

The previous prime is 663430189. The next prime is 663430211. The reversal of 663430200 is 2034366.

It is an interprime number because it is at equal distance from previous prime (663430189) and next prime (663430211).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133765 + ... + 138635.

It is an arithmetic number, because the mean of its divisors is an integer number (21522060).

Almost surely, 2^663430200 is an apocalyptic number.

663430200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663430200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033058880).

663430200 is an abundant number, since it is smaller than the sum of its proper divisors (1402687560).

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

663430200 is a wasteful number, since it uses less digits than its factorization.

663430200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5108 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 663430200 is about 25757.1388162583. The cubic root of 663430200 is about 872.1645138921.

Adding to 663430200 its reverse (2034366), we get a palindrome (665464566).

The spelling of 663430200 in words is "six hundred sixty-three million, four hundred thirty thousand, two hundred".