63960091560 has 320 divisors, whose sum is σ = 225062323200. Its totient is φ = 16271539200.

The previous prime is 63960091541. The next prime is 63960091561. The reversal of 63960091560 is 6519006936.

63960091560 is a `hidden beast` number, since 6 + 39 + 600 + 9 + 1 + 5 + 6 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (63960091561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7126756 + ... + 7135724.

It is an arithmetic number, because the mean of its divisors is an integer number (703319760).

Almost surely, 2^63960091560 is an apocalyptic number.

63960091560 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 63960091560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112531161600).

63960091560 is an abundant number, since it is smaller than the sum of its proper divisors (161102231640).

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

63960091560 is a wasteful number, since it uses less digits than its factorization.

63960091560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094 (or 9081 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 63960091560 in words is "sixty-three billion, nine hundred sixty million, ninety-one thousand, five hundred sixty".