8643191880960 has 1296 divisors, whose sum is σ = 39435199090560. Its totient is φ = 1727610716160.

The previous prime is 8643191880901. The next prime is 8643191880971. The reversal of 8643191880960 is 690881913468.

8643191880960 is a `hidden beast` number, since 86 + 4 + 319 + 188 + 0 + 9 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 139395565 + ... + 139457555.

It is an arithmetic number, because the mean of its divisors is an integer number (30428394360).

Almost surely, 2^{8643191880960} is an apocalyptic number.

8643191880960 is a gapful number since it is divisible by the number (80) 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 8643191880960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19717599545280).

8643191880960 is an abundant number, since it is smaller than the sum of its proper divisors (30792007209600).

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

8643191880960 is a wasteful number, since it uses less digits than its factorization.

8643191880960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62064 (or 62040 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 8643191880960 in words is "eight trillion, six hundred forty-three billion, one hundred ninety-one million, eight hundred eighty thousand, nine hundred sixty".