63448605660 has 192 divisors, whose sum is σ = 199769762304. Its totient is φ = 14911257600.

The previous prime is 63448605641. The next prime is 63448605673. The reversal of 63448605660 is 6650684436.

It is a congruent number.

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, 6906270 + ... + 6915450.

It is an arithmetic number, because the mean of its divisors is an integer number (1040467512).

Almost surely, 2^63448605660 is an apocalyptic number.

63448605660 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 63448605660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99884881152).

63448605660 is an abundant number, since it is smaller than the sum of its proper divisors (136321156644).

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

63448605660 is a wasteful number, since it uses less digits than its factorization.

63448605660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524 (or 9522 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 63448605660 in words is "sixty-three billion, four hundred forty-eight million, six hundred five thousand, six hundred sixty".