130204666 has 16 divisors (see below), whose sum is σ = 207185256. Its totient is φ = 61157376.

The previous prime is 130204631. The next prime is 130204667. The reversal of 130204666 is 666402031.

It can be written as a sum of positive squares in 4 ways, for example, as 123676641 + 6528025 = 11121^2 + 2555^2 .

It is not an unprimeable number, because it can be changed into a prime (130204667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16300 + ... + 22936.

Almost surely, 2^130204666 is an apocalyptic number.

130204666 is a deficient number, since it is larger than the sum of its proper divisors (76980590).

130204666 is a wasteful number, since it uses less digits than its factorization.

130204666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 130204666 is about 11410.7259190640. The cubic root of 130204666 is about 506.8454077545.

Adding to 130204666 its reverse (666402031), we get a palindrome (796606697).

The spelling of 130204666 in words is "one hundred thirty million, two hundred four thousand, six hundred sixty-six".