6530315666 has 64 divisors (see below), whose sum is σ = 11814792192. Its totient is φ = 2648935872.

The previous prime is 6530315663. The next prime is 6530315681. The reversal of 6530315666 is 6665130356.

It is not an unprimeable number, because it can be changed into a prime (6530315663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2879465 + ... + 2881731.

It is an arithmetic number, because the mean of its divisors is an integer number (184606128).

Almost surely, 2^6530315666 is an apocalyptic number.

6530315666 is a deficient number, since it is larger than the sum of its proper divisors (5284476526).

6530315666 is a wasteful number, since it uses less digits than its factorization.

6530315666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 291600, while the sum is 41.

The square root of 6530315666 is about 80810.3685550314. The cubic root of 6530315666 is about 1869.1524528146.

The spelling of 6530315666 in words is "six billion, five hundred thirty million, three hundred fifteen thousand, six hundred sixty-six".