8183168220 has 48 divisors (see below), whose sum is σ = 22921668000. Its totient is φ = 2181340416.

The previous prime is 8183168219. The next prime is 8183168221. The reversal of 8183168220 is 228613818.

It is an interprime number because it is at equal distance from previous prime (8183168219) and next prime (8183168221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8183168221) 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 15 ways as a sum of consecutive naturals, for example, 140134 + ... + 189746.

It is an arithmetic number, because the mean of its divisors is an integer number (477534750).

Almost surely, 2^8183168220 is an apocalyptic number.

It is an amenable number.

8183168220 is an abundant number, since it is smaller than the sum of its proper divisors (14738499780).

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

8183168220 is a wasteful number, since it uses less digits than its factorization.

8183168220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52374 (or 52372 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 8183168220 is about 90460.8656823491. The cubic root of 8183168220 is about 2015.1489827799.

It can be divided in two parts, 81831 and 68220, that added together give a palindrome (150051).

The spelling of 8183168220 in words is "eight billion, one hundred eighty-three million, one hundred sixty-eight thousand, two hundred twenty".