6366601 has 4 divisors (see below), whose sum is σ = 6372612. Its totient is φ = 6360592.

The previous prime is 6366593. The next prime is 6366629. The reversal of 6366601 is 1066636.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4473225 + 1893376 = 2115^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 6366601 - 2³ = 6366593 is a prime.

It is a Duffinian number.

6366601 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6366601.

It is not an unprimeable number, because it can be changed into a prime (6366671) 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, 946 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (1593153).

Almost surely, 2^6366601 is an apocalyptic number.

It is an amenable number.

6366601 is a deficient number, since it is larger than the sum of its proper divisors (6011).

6366601 is a wasteful number, since it uses less digits than its factorization.

6366601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6366601 is about 2523.2124365578. The cubic root of 6366601 is about 185.3400223448.

The spelling of 6366601 in words is "six million, three hundred sixty-six thousand, six hundred one".