8197381592432 has 20 divisors (see below), whose sum is σ = 16394763185856. Its totient is φ = 3966474963840.

The previous prime is 8197381592431. The next prime is 8197381592437. The reversal of 8197381592432 is 2342951837918.

8197381592432 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8197381592431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8263489013 + ... + 8263490004.

Almost surely, 2^{8197381592432} is an apocalyptic number.

It is an amenable number.

8197381592432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8197381592432 is a wasteful number, since it uses less digits than its factorization.

8197381592432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526979056 (or 16526979050 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The spelling of 8197381592432 in words is "eight trillion, one hundred ninety-seven billion, three hundred eighty-one million, five hundred ninety-two thousand, four hundred thirty-two".