2166032 has 40 divisors (see below), whose sum is σ = 4737792. Its totient is φ = 950400.

The previous prime is 2166029. The next prime is 2166041. The reversal of 2166032 is 2306612.

2166032 is nontrivially palindromic in base 15.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 6 + 6⁵ + 0 + 3¹⁰ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2165995 and 2166013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5258 + ... + 5654.

2^2166032 is an apocalyptic number.

2166032 is a gapful number since it is divisible by the number (22) 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 2166032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368896).

2166032 is an abundant number, since it is smaller than the sum of its proper divisors (2571760).

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

2166032 is a wasteful number, since it uses less digits than its factorization.

2166032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2166032 is about 1471.7445430509. The cubic root of 2166032 is about 129.3862987324.

The spelling of 2166032 in words is "two million, one hundred sixty-six thousand, thirty-two".