4161205100 has 144 divisors (see below), whose sum is σ = 9974361600. Its totient is φ = 1497457920.

The previous prime is 4161205093. The next prime is 4161205117. The reversal of 4161205100 is 15021614.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 17410781 + ... + 17411019.

It is an arithmetic number, because the mean of its divisors is an integer number (69266400).

Almost surely, 2^4161205100 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 4161205100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4987180800).

4161205100 is an abundant number, since it is smaller than the sum of its proper divisors (5813156500).

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

4161205100 is a wasteful number, since it uses less digits than its factorization.

4161205100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 4161205100 is about 64507.4034510768. The cubic root of 4161205100 is about 1608.4455889743.

Adding to 4161205100 its reverse (15021614), we get a palindrome (4176226714).

The spelling of 4161205100 in words is "four billion, one hundred sixty-one million, two hundred five thousand, one hundred".