6600866487 has 32 divisors (see below), whose sum is σ = 9326223360. Its totient is φ = 4146948960.

The previous prime is 6600866479. The next prime is 6600866507. The reversal of 6600866487 is 7846680066.

It is not a de Polignac number, because 6600866487 - 2³ = 6600866479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600866387) 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, 581488 + ... + 592730.

It is an arithmetic number, because the mean of its divisors is an integer number (291444480).

Almost surely, 2^6600866487 is an apocalyptic number.

6600866487 is a deficient number, since it is larger than the sum of its proper divisors (2725356873).

6600866487 is a wasteful number, since it uses less digits than its factorization.

6600866487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11443.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 6600866487 is about 81245.7167301760. The cubic root of 6600866487 is about 1875.8595394910.

The spelling of 6600866487 in words is "six billion, six hundred million, eight hundred sixty-six thousand, four hundred eighty-seven".