2066615 has 16 divisors (see below), whose sum is σ = 2611200. Its totient is φ = 1568160.

The previous prime is 2066609. The next prime is 2066641. The reversal of 2066615 is 5166602.

It is not a de Polignac number, because 2066615 - 2⁴ = 2066599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10286 + ... + 10484.

It is an arithmetic number, because the mean of its divisors is an integer number (163200).

2^2066615 is an apocalyptic number.

2066615 is a deficient number, since it is larger than the sum of its proper divisors (544585).

2066615 is a wasteful number, since it uses less digits than its factorization.

2066615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2066615 is about 1437.5726068620. The cubic root of 2066615 is about 127.3756830038.

The spelling of 2066615 in words is "two million, sixty-six thousand, six hundred fifteen".