6660534130 has 16 divisors (see below), whose sum is σ = 11990464344. Its totient is φ = 2663879680.

The previous prime is 6660534107. The next prime is 6660534229. The reversal of 6660534130 is 314350666.

It can be written as a sum of positive squares in 4 ways, for example, as 4816776409 + 1843757721 = 69403^2 + 42939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52050 + ... + 126610.

Almost surely, 2^6660534130 is an apocalyptic number.

6660534130 is a deficient number, since it is larger than the sum of its proper divisors (5329930214).

6660534130 is a wasteful number, since it uses less digits than its factorization.

6660534130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83501.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 6660534130 is about 81612.0954883527. The cubic root of 6660534130 is about 1881.4947869240.

Adding to 6660534130 its reverse (314350666), we get a palindrome (6974884796).

The spelling of 6660534130 in words is "six billion, six hundred sixty million, five hundred thirty-four thousand, one hundred thirty".