6691834260 has 72 divisors (see below), whose sum is σ = 20410810056. Its totient is φ = 1774621440.

The previous prime is 6691834231. The next prime is 6691834267. The reversal of 6691834260 is 624381966.

6691834260 is a `hidden beast` number, since 66 + 91 + 83 + 426 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 493106436 + 6198727824 = 22206^2 + 78732^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691834267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70119 + ... + 135278.

It is an arithmetic number, because the mean of its divisors is an integer number (283483473).

Almost surely, 2^6691834260 is an apocalyptic number.

6691834260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6691834260 is an abundant number, since it is smaller than the sum of its proper divisors (13718975796).

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

6691834260 is a wasteful number, since it uses less digits than its factorization.

6691834260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205593 (or 205588 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6691834260 is about 81803.6323154418. The cubic root of 6691834260 is about 1884.4374449080.

The spelling of 6691834260 in words is "six billion, six hundred ninety-one million, eight hundred thirty-four thousand, two hundred sixty".