6611686488 has 48 divisors (see below), whose sum is σ = 19534530600. Its totient is φ = 2003541120.

The previous prime is 6611686463. The next prime is 6611686511. The reversal of 6611686488 is 8846861166.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4173253 + ... + 4174836.

Almost surely, 2^6611686488 is an apocalyptic number.

It is an amenable number.

6611686488 is an abundant number, since it is smaller than the sum of its proper divisors (12922844112).

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

6611686488 is a wasteful number, since it uses less digits than its factorization.

6611686488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348112 (or 8348105 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 6611686488 is about 81312.2775969287. The cubic root of 6611686488 is about 1876.8839364239.

The spelling of 6611686488 in words is "six billion, six hundred eleven million, six hundred eighty-six thousand, four hundred eighty-eight".