6487686018 has 48 divisors (see below), whose sum is σ = 15400453536. Its totient is φ = 1957513920.

The previous prime is 6487686011. The next prime is 6487686053. The reversal of 6487686018 is 8106867846.

It is not an unprimeable number, because it can be changed into a prime (6487686011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24180 + ... + 116447.

It is an arithmetic number, because the mean of its divisors is an integer number (320842782).

Almost surely, 2^6487686018 is an apocalyptic number.

6487686018 is an abundant number, since it is smaller than the sum of its proper divisors (8912767518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6487686018 is a wasteful number, since it uses less digits than its factorization.

6487686018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140879 (or 140876 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 6487686018 is about 80546.1732051871. The cubic root of 6487686018 is about 1865.0763186598.

The spelling of 6487686018 in words is "six billion, four hundred eighty-seven million, six hundred eighty-six thousand, eighteen".