6686332632 has 72 divisors (see below), whose sum is σ = 21065370300. Its totient is φ = 1910379744.

The previous prime is 6686332621. The next prime is 6686332633. The reversal of 6686332632 is 2362336866.

6686332632 is a `hidden beast` number, since 6 + 6 + 8 + 6 + 3 + 3 + 2 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6686332633) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 944082 + ... + 951137.

Almost surely, 2^6686332632 is an apocalyptic number.

It is an amenable number.

6686332632 is an abundant number, since it is smaller than the sum of its proper divisors (14379037668).

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

6686332632 is a wasteful number, since it uses less digits than its factorization.

6686332632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895245 (or 1895231 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The square root of 6686332632 is about 81769.9983612572. The cubic root of 6686332632 is about 1883.9208792012.

The spelling of 6686332632 in words is "six billion, six hundred eighty-six million, three hundred thirty-two thousand, six hundred thirty-two".