663479754080 has 192 divisors, whose sum is σ = 1871696828736. Its totient is φ = 219055104000.

The previous prime is 663479754079. The next prime is 663479754173. The reversal of 663479754080 is 80457974366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157990 + ... + 1633370.

It is an arithmetic number, because the mean of its divisors is an integer number (9748420983).

Almost surely, 2^663479754080 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 663479754080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935848414368).

663479754080 is an abundant number, since it is smaller than the sum of its proper divisors (1208217074656).

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

663479754080 is a wasteful number, since it uses less digits than its factorization.

663479754080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475481 (or 475473 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 663479754080 in words is "six hundred sixty-three billion, four hundred seventy-nine million, seven hundred fifty-four thousand, eighty".