6666630 has 32 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 1769952.

The previous prime is 6666617. The next prime is 6666679. The reversal of 6666630 is 366666.

6666630 is nontrivially palindromic in base 14.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6666591 and 6666600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10461 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^6666630 is an apocalyptic number.

6666630 is an abundant number, since it is smaller than the sum of its proper divisors (9403770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6666630 is a wasteful number, since it uses less digits than its factorization.

6666630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 6666630 is about 2581.9817969924. The cubic root of 6666630 is about 188.2068607290.

The spelling of 6666630 in words is "six million, six hundred sixty-six thousand, six hundred thirty".