6660130 has 8 divisors (see below), whose sum is σ = 11988252. Its totient is φ = 2664048.

The previous prime is 6660119. The next prime is 6660161. The reversal of 6660130 is 310666.

It can be written as a sum of positive squares in 2 ways, for example, as 5697769 + 962361 = 2387^2 + 981^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332997 + ... + 333016.

Almost surely, 2^6660130 is an apocalyptic number.

6660130 is a deficient number, since it is larger than the sum of its proper divisors (5328122).

6660130 is a wasteful number, since it uses less digits than its factorization.

6660130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666020.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 6660130 is about 2580.7227669783. The cubic root of 6660130 is about 188.1456732725.

Adding to 6660130 its reverse (310666), we get a palindrome (6970796).

The spelling of 6660130 in words is "six million, six hundred sixty thousand, one hundred thirty".