8163801100 has 144 divisors (see below), whose sum is σ = 22336445376. Its totient is φ = 2520576000.

The previous prime is 8163801097. The next prime is 8163801127. The reversal of 8163801100 is 11083618.

It is a happy number.

It is a super-2 number, since 2×8163801100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362160 + ... + 384040.

It is an arithmetic number, because the mean of its divisors is an integer number (155114204).

Almost surely, 2^8163801100 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 8163801100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11168222688).

8163801100 is an abundant number, since it is smaller than the sum of its proper divisors (14172644276).

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

8163801100 is a wasteful number, since it uses less digits than its factorization.

8163801100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21956 (or 21949 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 8163801100 is about 90353.7553176402. The cubic root of 8163801100 is about 2013.5579746444.

Adding to 8163801100 its reverse (11083618), we get a palindrome (8174884718).

The spelling of 8163801100 in words is "eight billion, one hundred sixty-three million, eight hundred one thousand, one hundred".