2163104100 has 108 divisors (see below), whose sum is σ = 6829302480. Its totient is φ = 572644800.

The previous prime is 2163104063. The next prime is 2163104129. The reversal of 2163104100 is 14013612.

It is a happy number.

2163104100 is a `hidden beast` number, since 21 + 631 + 0 + 4 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116455 + ... + 133745.

Almost surely, 2^2163104100 is an apocalyptic number.

2163104100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2163104100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414651240).

2163104100 is an abundant number, since it is smaller than the sum of its proper divisors (4666198380).

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

2163104100 is a wasteful number, since it uses less digits than its factorization.

2163104100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450 (or 17440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2163104100 is about 46509.1829642276. The cubic root of 2163104100 is about 1293.2797380691.

Adding to 2163104100 its reverse (14013612), we get a palindrome (2177117712).

The spelling of 2163104100 in words is "two billion, one hundred sixty-three million, one hundred four thousand, one hundred".