8191348352 has 128 divisors (see below), whose sum is σ = 18645681600. Its totient is φ = 3550167040.

The previous prime is 8191348351. The next prime is 8191348397. The reversal of 8191348352 is 2538431918.

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

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (8191348351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3387848 + ... + 3390264.

Almost surely, 2^8191348352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8191348352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9322840800).

8191348352 is an abundant number, since it is smaller than the sum of its proper divisors (10454333248).

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

8191348352 is a wasteful number, since it uses less digits than its factorization.

8191348352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2542 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 8191348352 is about 90506.0680396624. The cubic root of 8191348352 is about 2015.8202262639.

The spelling of 8191348352 in words is "eight billion, one hundred ninety-one million, three hundred forty-eight thousand, three hundred fifty-two".