8349566720000 has 1440 divisors, whose sum is σ = 25467866424000. Its totient is φ = 2704711680000.

The previous prime is 8349566719961. The next prime is 8349566720063. The reversal of 8349566720000 is 276659438.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 141518079971 + ... + 141518080029.

It is an arithmetic number, because the mean of its divisors is an integer number (17686018350).

Almost surely, 2^{8349566720000} is an apocalyptic number.

8349566720000 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 8349566720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12733933212000).

8349566720000 is an abundant number, since it is smaller than the sum of its proper divisors (17118299704000).

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

8349566720000 is a wasteful number, since it uses less digits than its factorization.

8349566720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 8349566720000 in words is "eight trillion, three hundred forty-nine billion, five hundred sixty-six million, seven hundred twenty thousand".