663483744 has 192 divisors, whose sum is σ = 2412910080. Its totient is φ = 172316160.

The previous prime is 663483713. The next prime is 663483749. The reversal of 663483744 is 447384366.

663483744 is a `hidden beast` number, since 6 + 634 + 8 + 3 + 7 + 4 + 4 = 666.

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 663483744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663483749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61542 + ... + 71514.

It is an arithmetic number, because the mean of its divisors is an integer number (12567240).

Almost surely, 2^663483744 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 663483744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206455040).

663483744 is an abundant number, since it is smaller than the sum of its proper divisors (1749426336).

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

663483744 is a wasteful number, since it uses less digits than its factorization.

663483744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010 (or 9996 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The square root of 663483744 is about 25758.1781964486. The cubic root of 663483744 is about 872.1879767575.

The spelling of 663483744 in words is "six hundred sixty-three million, four hundred eighty-three thousand, seven hundred forty-four".