6668463 has 8 divisors (see below), whose sum is σ = 9198000. Its totient is φ = 4292288.

The previous prime is 6668461. The next prime is 6668507. The reversal of 6668463 is 3648666.

6668463 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6668463 - 2¹ = 6668461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38238 + ... + 38411.

It is an arithmetic number, because the mean of its divisors is an integer number (1149750).

Almost surely, 2^6668463 is an apocalyptic number.

6668463 is a deficient number, since it is larger than the sum of its proper divisors (2529537).

6668463 is a wasteful number, since it uses less digits than its factorization.

6668463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76681.

The product of its digits is 124416, while the sum is 39.

The square root of 6668463 is about 2582.3367324964. The cubic root of 6668463 is about 188.2241084020.

The spelling of 6668463 in words is "six million, six hundred sixty-eight thousand, four hundred sixty-three".