63318597120 has 240 divisors, whose sum is σ = 232190964720. Its totient is φ = 15891628032.

The previous prime is 63318597053. The next prime is 63318597127. The reversal of 63318597120 is 2179581336.

63318597120 is a `hidden beast` number, since 6 + 3 + 31 + 8 + 597 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63318597127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310851 + ... + 472509.

It is an arithmetic number, because the mean of its divisors is an integer number (967462353).

Almost surely, 2^63318597120 is an apocalyptic number.

63318597120 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 63318597120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116095482360).

63318597120 is an abundant number, since it is smaller than the sum of its proper divisors (168872367600).

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

63318597120 is a wasteful number, since it uses less digits than its factorization.

63318597120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161705 (or 161686 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 63318597120 in words is "sixty-three billion, three hundred eighteen million, five hundred ninety-seven thousand, one hundred twenty".