2666288 has 10 divisors (see below), whose sum is σ = 5165964. Its totient is φ = 1333136.

The previous prime is 2666281. The next prime is 2666291. The reversal of 2666288 is 8826662.

It is a d-powerful number, because it can be written as 2¹³ + 6⁴ + 6⁴ + 6⁴ + 2¹⁹ + 8⁵ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2666281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83306 + ... + 83337.

2^2666288 is an apocalyptic number.

It is an amenable number.

2666288 is a deficient number, since it is larger than the sum of its proper divisors (2499676).

2666288 is a wasteful number, since it uses less digits than its factorization.

2666288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166651 (or 166645 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 2666288 is about 1632.8772152247. The cubic root of 2666288 is about 138.6656907394.

The spelling of 2666288 in words is "two million, six hundred sixty-six thousand, two hundred eighty-eight".