63718499328000 has 2688 divisors, whose sum is σ = 252570058191360. Its totient is φ = 14210301952000.

The previous prime is 63718499327969. The next prime is 63718499328013. The reversal of 63718499328000 is 82399481736.

It is a super-2 number, since 2×63718499328000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 247931903872 + ... + 247931904128.

It is an arithmetic number, because the mean of its divisors is an integer number (93962075220).

Almost surely, 2^{63718499328000} is an apocalyptic number.

63718499328000 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 63718499328000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126285029095680).

63718499328000 is an abundant number, since it is smaller than the sum of its proper divisors (188851558863360).

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

63718499328000 is a wasteful number, since it uses less digits than its factorization.

63718499328000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 63718499328000 in words is "sixty-three trillion, seven hundred eighteen billion, four hundred ninety-nine million, three hundred twenty-eight thousand".