6660604115 has 12 divisors (see below), whose sum is σ = 8785392672. Its totient is φ = 4844075280.

The previous prime is 6660604061. The next prime is 6660604117. The reversal of 6660604115 is 5114060666.

It is not a de Polignac number, because 6660604115 - 2⁶ = 6660604051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660604117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5504027 + ... + 5505236.

It is an arithmetic number, because the mean of its divisors is an integer number (732116056).

Almost surely, 2^6660604115 is an apocalyptic number.

6660604115 is a deficient number, since it is larger than the sum of its proper divisors (2124788557).

6660604115 is a wasteful number, since it uses less digits than its factorization.

6660604115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009290 (or 11009279 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6660604115 is about 81612.5242533277. The cubic root of 6660604115 is about 1881.5013767834.

The spelling of 6660604115 in words is "six billion, six hundred sixty million, six hundred four thousand, one hundred fifteen".