663460860288096 has 576 divisors, whose sum is σ = 2192710493675520. Its totient is φ = 188692251770880.

The previous prime is 663460860288047. The next prime is 663460860288101. The reversal of 663460860288096 is 690882068064366.

663460860288096 is a `hidden beast` number, since 6 + 6 + 3 + 4 + 6 + 0 + 8 + 602 + 8 + 8 + 0 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

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, 318696336 + ... + 320771376.

It is an arithmetic number, because the mean of its divisors is an integer number (3806789051520).

Almost surely, 2^{663460860288096} 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 663460860288096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096355246837760).

663460860288096 is an abundant number, since it is smaller than the sum of its proper divisors (1529249633387424).

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

663460860288096 is a wasteful number, since it uses less digits than its factorization.

663460860288096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075219 (or 2075208 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 72.

The spelling of 663460860288096 in words is "six hundred sixty-three trillion, four hundred sixty billion, eight hundred sixty million, two hundred eighty-eight thousand, ninety-six".