6530666 has 8 divisors (see below), whose sum is σ = 10221984. Its totient is φ = 3123340.

The previous prime is 6530663. The next prime is 6530681. The reversal of 6530666 is 6660356.

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

It is not an unprimeable number, because it can be changed into a prime (6530663) 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, 70940 + ... + 71031.

It is an arithmetic number, because the mean of its divisors is an integer number (1277748).

Almost surely, 2^6530666 is an apocalyptic number.

6530666 is a deficient number, since it is larger than the sum of its proper divisors (3691318).

6530666 is a wasteful number, since it uses less digits than its factorization.

6530666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141996.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 6530666 is about 2555.5167774836. The cubic root of 6530666 is about 186.9185877230.

The spelling of 6530666 in words is "six million, five hundred thirty thousand, six hundred sixty-six".