6668552 has 36 divisors (see below), whose sum is σ = 13911135. Its totient is φ = 2994640.

The previous prime is 6668549. The next prime is 6668567. The reversal of 6668552 is 2558666.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3334276 + 3334276 = 1826^2 + 1826^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1826.

It is a Duffinian number.

Its product of digits (86400) is a multiple of the sum of its prime divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80303 + ... + 80385.

Almost surely, 2^6668552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6668552

6668552 is an abundant number, since it is smaller than the sum of its proper divisors (7242583).

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

6668552 is a wasteful number, since it uses less digits than its factorization.

6668552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 96 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 6668552 is about 2582.3539648933. The cubic root of 6668552 is about 188.2249457700.

The spelling of 6668552 in words is "six million, six hundred sixty-eight thousand, five hundred fifty-two".