6664363 has 4 divisors (see below), whose sum is σ = 6715368. Its totient is φ = 6613360.

The previous prime is 6664351. The next prime is 6664381. The reversal of 6664363 is 3634666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6664363 - 2¹³ = 6656171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25306 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (1678842).

Almost surely, 2^6664363 is an apocalyptic number.

6664363 is a deficient number, since it is larger than the sum of its proper divisors (51005).

6664363 is a wasteful number, since it uses less digits than its factorization.

6664363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51004.

The product of its digits is 46656, while the sum is 34.

The square root of 6664363 is about 2581.5427557955. The cubic root of 6664363 is about 188.1855249454.

The spelling of 6664363 in words is "six million, six hundred sixty-four thousand, three hundred sixty-three".