8163520080 has 80 divisors (see below), whose sum is σ = 25317736704. Its totient is φ = 2176007680.

The previous prime is 8163520033. The next prime is 8163520081. The reversal of 8163520080 is 800253618.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163520081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696670 + ... + 708290.

Almost surely, 2^8163520080 is an apocalyptic number.

8163520080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8163520080 is an abundant number, since it is smaller than the sum of its proper divisors (17154216624).

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

8163520080 is a wasteful number, since it uses less digits than its factorization.

8163520080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 8163520080 is about 90352.2001945719. The cubic root of 8163520080 is about 2013.5348703515.

Adding to 8163520080 its reverse (800253618), we get a palindrome (8963773698).

The spelling of 8163520080 in words is "eight billion, one hundred sixty-three million, five hundred twenty thousand, eighty".