2668136 has 8 divisors (see below), whose sum is σ = 5002770. Its totient is φ = 1334064.

The previous prime is 2668129. The next prime is 2668163. The reversal of 2668136 is 6318662.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 11236 = 1630^2 + 106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 6 + 8⁷ + 1 + 3³ + 6⁶ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166751 + ... + 166766.

2^2668136 is an apocalyptic number.

It is an amenable number.

2668136 is a deficient number, since it is larger than the sum of its proper divisors (2334634).

2668136 is a wasteful number, since it uses less digits than its factorization.

2668136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333523 (or 333519 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 2668136 is about 1633.4429895163. The cubic root of 2668136 is about 138.6977196645.

The spelling of 2668136 in words is "two million, six hundred sixty-eight thousand, one hundred thirty-six".