2668188 has 12 divisors (see below), whose sum is σ = 6225800. Its totient is φ = 889392.

The previous prime is 2668177. The next prime is 2668199. The reversal of 2668188 is 8818662.

2668188 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2668177) and next prime (2668199).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111163 + ... + 111186.

2^2668188 is an apocalyptic number.

It is an amenable number.

2668188 is an abundant number, since it is smaller than the sum of its proper divisors (3557612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2668188 is a wasteful number, since it uses less digits than its factorization.

2668188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222356 (or 222354 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 2668188 is about 1633.4589067375. The cubic root of 2668188 is about 138.6986206973.

The spelling of 2668188 in words is "two million, six hundred sixty-eight thousand, one hundred eighty-eight".