2166315 has 16 divisors (see below), whose sum is σ = 3494400. Its totient is φ = 1145952.

The previous prime is 2166289. The next prime is 2166319. The reversal of 2166315 is 5136612.

It is not a de Polignac number, because 2166315 - 2⁶ = 2166251 is a prime.

It is a super-3 number, since 3×2166315³ = 30499033383645917625, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2166319) 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, 1566 + ... + 2604.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

2^2166315 is an apocalyptic number.

2166315 is a deficient number, since it is larger than the sum of its proper divisors (1328085).

2166315 is a wasteful number, since it uses less digits than its factorization.

2166315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its digits is 1080, while the sum is 24.

The square root of 2166315 is about 1471.8406843134. The cubic root of 2166315 is about 129.3919334180.

The spelling of 2166315 in words is "two million, one hundred sixty-six thousand, three hundred fifteen".