2161150200 has 192 divisors, whose sum is σ = 8120908800. Its totient is φ = 523900800.

The previous prime is 2161150183. The next prime is 2161150241. The reversal of 2161150200 is 20511612.

2161150200 is a `hidden beast` number, since 2 + 1 + 611 + 50 + 2 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41209 + ... + 77591.

It is an arithmetic number, because the mean of its divisors is an integer number (42296400).

Almost surely, 2^2161150200 is an apocalyptic number.

2161150200 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 2161150200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4060454400).

2161150200 is an abundant number, since it is smaller than the sum of its proper divisors (5959758600).

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

2161150200 is a wasteful number, since it uses less digits than its factorization.

2161150200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36419 (or 36404 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2161150200 is about 46488.1726894056. The cubic root of 2161150200 is about 1292.8902205988.

Adding to 2161150200 its reverse (20511612), we get a palindrome (2181661812).

The spelling of 2161150200 in words is "two billion, one hundred sixty-one million, one hundred fifty thousand, two hundred".