63189960960 has 432 divisors, whose sum is σ = 240517251072. Its totient is φ = 14089420800.

The previous prime is 63189960941. The next prime is 63189960979. The reversal of 63189960960 is 6906998136.

It is an interprime number because it is at equal distance from previous prime (63189960941) and next prime (63189960979).

It is a super-2 number, since 2×63189960960² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63189960960.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7710465 + ... + 7718655.

It is an arithmetic number, because the mean of its divisors is an integer number (556752896).

Almost surely, 2^63189960960 is an apocalyptic number.

63189960960 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 63189960960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120258625536).

63189960960 is an abundant number, since it is smaller than the sum of its proper divisors (177327290112).

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

63189960960 is a wasteful number, since it uses less digits than its factorization.

63189960960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270 (or 8249 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 63189960960 in words is "sixty-three billion, one hundred eighty-nine million, nine hundred sixty thousand, nine hundred sixty".