2166048 has 96 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 684288.

The previous prime is 2166041. The next prime is 2166053. The reversal of 2166048 is 8406612.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2166041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19818 + ... + 19926.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^2166048 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 2166048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3326400).

2166048 is an abundant number, since it is smaller than the sum of its proper divisors (4486752).

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

2166048 is a wasteful number, since it uses less digits than its factorization.

2166048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2166048 is about 1471.7499787668. The cubic root of 2166048 is about 129.3866173143.

It can be divided in two parts, 216604 and 8, that added together give a palindrome (216612).

The spelling of 2166048 in words is "two million, one hundred sixty-six thousand, forty-eight".