663283206403200 has 768 divisors, whose sum is σ = 2551196712960000. Its totient is φ = 167968051384320.

The previous prime is 663283206403193. The next prime is 663283206403243. The reversal of 663283206403200 is 2304602382366.

663283206403200 is a `hidden beast` number, since 6 + 6 + 3 + 2 + 8 + 32 + 0 + 6 + 403 + 200 = 666.

It is a super-2 number, since 2×663283206403200² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 275020161 + ... + 277421439.

It is an arithmetic number, because the mean of its divisors is an integer number (3321870720000).

Almost surely, 2^{663283206403200} is an apocalyptic number.

663283206403200 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 663283206403200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275598356480000).

663283206403200 is an abundant number, since it is smaller than the sum of its proper divisors (1887913506556800).

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

663283206403200 is a wasteful number, since it uses less digits than its factorization.

663283206403200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401474 (or 2401451 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

Adding to 663283206403200 its reverse (2304602382366), we get a palindrome (665587808785566).

The spelling of 663283206403200 in words is "six hundred sixty-three trillion, two hundred eighty-three billion, two hundred six million, four hundred three thousand, two hundred".