2160066 has 16 divisors (see below), whose sum is σ = 4334688. Its totient is φ = 717600.

The previous prime is 2160061. The next prime is 2160101. The reversal of 2160066 is 6600612.

It is not an unprimeable number, because it can be changed into a prime (2160061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781 + ... + 3471.

It is an arithmetic number, because the mean of its divisors is an integer number (270918).

2^2160066 is an apocalyptic number.

2160066 is an abundant number, since it is smaller than the sum of its proper divisors (2174622).

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

2160066 is a wasteful number, since it uses less digits than its factorization.

2160066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2160066 is about 1469.7162991544. The cubic root of 2160066 is about 129.2673979875.

Adding to 2160066 its reverse (6600612), we get a palindrome (8760678).

The spelling of 2160066 in words is "two million, one hundred sixty thousand, sixty-six".