8165622160 has 40 divisors (see below), whose sum is σ = 18990748800. Its totient is φ = 3265272192.

The previous prime is 8165622151. The next prime is 8165622161. The reversal of 8165622160 is 612265618.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×8165622160³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8165622161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292491 + ... + 319189.

It is an arithmetic number, because the mean of its divisors is an integer number (474768720).

Almost surely, 2^8165622160 is an apocalyptic number.

8165622160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8165622160 is an abundant number, since it is smaller than the sum of its proper divisors (10825126640).

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

8165622160 is a wasteful number, since it uses less digits than its factorization.

8165622160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30535 (or 30529 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8165622160 is about 90363.8321453888. The cubic root of 8165622160 is about 2013.7076817570.

Adding to 8165622160 its reverse (612265618), we get a palindrome (8777887778).

The spelling of 8165622160 in words is "eight billion, one hundred sixty-five million, six hundred twenty-two thousand, one hundred sixty".