2161152 has 120 divisors (see below), whose sum is σ = 7234656. Its totient is φ = 608256.

The previous prime is 2161141. The next prime is 2161157. The reversal of 2161152 is 2511612.

2161152 is a `hidden beast` number, since 2 + 1 + 611 + 52 = 666.

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

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32223 + ... + 32289.

2^2161152 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 2161152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617328).

2161152 is an abundant number, since it is smaller than the sum of its proper divisors (5073504).

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

2161152 is an equidigital number, since it uses as much as digits as its factorization.

2161152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 79 counting only the distinct ones).

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

The square root of 2161152 is about 1470.0857117869. The cubic root of 2161152 is about 129.2890579544.

Adding to 2161152 its reverse (2511612), we get a palindrome (4672764).

It can be divided in two parts, 216 and 1152, that multiplied together give a 5-th power (248832 = 12⁵).

The spelling of 2161152 in words is "two million, one hundred sixty-one thousand, one hundred fifty-two".