8169810432 has 320 divisors, whose sum is σ = 26012811264. Its totient is φ = 2229534720.

The previous prime is 8169810431. The next prime is 8169810521. The reversal of 8169810432 is 2340189618.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (8169810431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42330528 + ... + 42330720.

Almost surely, 2^8169810432 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 8169810432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13006405632).

8169810432 is an abundant number, since it is smaller than the sum of its proper divisors (17843000832).

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

8169810432 is a wasteful number, since it uses less digits than its factorization.

8169810432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 8169810432 is about 90387.0036675627. The cubic root of 8169810432 is about 2014.0519100259.

The spelling of 8169810432 in words is "eight billion, one hundred sixty-nine million, eight hundred ten thousand, four hundred thirty-two".