663787488000 has 576 divisors, whose sum is σ = 2713598963712. Its totient is φ = 140050022400.

The previous prime is 663787487933. The next prime is 663787488019. The reversal of 663787488000 is 884787366.

It is a super-2 number, since 2×663787488000² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8698009 + ... + 8773991.

It is an arithmetic number, because the mean of its divisors is an integer number (4711109312).

Almost surely, 2^663787488000 is an apocalyptic number.

663787488000 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 663787488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356799481856).

663787488000 is an abundant number, since it is smaller than the sum of its proper divisors (2049811475712).

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

663787488000 is a wasteful number, since it uses less digits than its factorization.

663787488000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76037 (or 76013 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 663787488000 in words is "six hundred sixty-three billion, seven hundred eighty-seven million, four hundred eighty-eight thousand".