2660109 has 16 divisors (see below), whose sum is σ = 3845952. Its totient is φ = 1628928.

The previous prime is 2660107. The next prime is 2660117. The reversal of 2660109 is 9010662.

It is not a de Polignac number, because 2660109 - 2¹ = 2660107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660107) 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, 1587 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (240372).

2^2660109 is an apocalyptic number.

It is an amenable number.

2660109 is a deficient number, since it is larger than the sum of its proper divisors (1185843).

2660109 is a wasteful number, since it uses less digits than its factorization.

2660109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2660109 is about 1630.9840587817. The cubic root of 2660109 is about 138.5584907628.

The spelling of 2660109 in words is "two million, six hundred sixty thousand, one hundred nine".