8163257552000 has 128 divisors (see below), whose sum is σ = 20300864388480. Its totient is φ = 3264504192000.

The previous prime is 8163257551979. The next prime is 8163257552029. The reversal of 8163257552000 is 2557523618.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67635707 + ... + 67756293.

It is an arithmetic number, because the mean of its divisors is an integer number (158600503035).

Almost surely, 2^{8163257552000} is an apocalyptic number.

8163257552000 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 8163257552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10150432194240).

8163257552000 is an abundant number, since it is smaller than the sum of its proper divisors (12137606836480).

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

8163257552000 is a wasteful number, since it uses less digits than its factorization.

8163257552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124847 (or 124825 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 8163257552000 in words is "eight trillion, one hundred sixty-three billion, two hundred fifty-seven million, five hundred fifty-two thousand".