2666117 has 2 divisors, whose sum is σ = 2666118. Its totient is φ = 2666116.

The previous prime is 2666101. The next prime is 2666141. The reversal of 2666117 is 7116662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2149156 + 516961 = 1466^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666117 - 2⁴ = 2666101 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2666117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333058 + 1333059.

It is an arithmetic number, because the mean of its divisors is an integer number (1333059).

2^2666117 is an apocalyptic number.

It is an amenable number.

2666117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666117 is an equidigital number, since it uses as much as digits as its factorization.

2666117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 2666117 is about 1632.8248528241. The cubic root of 2666117 is about 138.6627262759.

The spelling of 2666117 in words is "two million, six hundred sixty-six thousand, one hundred seventeen".