2161150 has 12 divisors (see below), whose sum is σ = 4019832. Its totient is φ = 864440.

The previous prime is 2161141. The next prime is 2161157. The reversal of 2161150 is 511612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21562 + ... + 21661.

It is an arithmetic number, because the mean of its divisors is an integer number (334986).

2^2161150 is an apocalyptic number.

2161150 is a deficient number, since it is larger than the sum of its proper divisors (1858682).

2161150 is a wasteful number, since it uses less digits than its factorization.

2161150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43235 (or 43230 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2161150 is about 1470.0850315543. The cubic root of 2161150 is about 129.2890180716.

Adding to 2161150 its reverse (511612), we get a palindrome (2672762).

The spelling of 2161150 in words is "two million, one hundred sixty-one thousand, one hundred fifty".