8481699656320 has 512 divisors, whose sum is σ = 23137830144000. Its totient is φ = 2945187840000.

The previous prime is 8481699656317. The next prime is 8481699656323. The reversal of 8481699656320 is 236569961848.

It is an interprime number because it is at equal distance from previous prime (8481699656317) and next prime (8481699656323).

It is a super-2 number, since 2×8481699656320² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8481699656323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9896965332 + ... + 9896966188.

It is an arithmetic number, because the mean of its divisors is an integer number (45191074500).

Almost surely, 2^{8481699656320} is an apocalyptic number.

8481699656320 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 8481699656320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11568915072000).

8481699656320 is an abundant number, since it is smaller than the sum of its proper divisors (14656130487680).

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

8481699656320 is a wasteful number, since it uses less digits than its factorization.

8481699656320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 67.

The spelling of 8481699656320 in words is "eight trillion, four hundred eighty-one billion, six hundred ninety-nine million, six hundred fifty-six thousand, three hundred twenty".