6680287080 has 160 divisors (see below), whose sum is σ = 22552101000. Its totient is φ = 1773563904.

The previous prime is 6680287079. The next prime is 6680287087. The reversal of 6680287080 is 807820866.

It can be written as a sum of positive squares in 4 ways, for example, as 1994336964 + 4685950116 = 44658^2 + 68454^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6680287087) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 750496 + ... + 759344.

Almost surely, 2^6680287080 is an apocalyptic number.

6680287080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680287080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11276050500).

6680287080 is an abundant number, since it is smaller than the sum of its proper divisors (15871813920).

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

6680287080 is a wasteful number, since it uses less digits than its factorization.

6680287080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105 (or 9092 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 6680287080 is about 81733.0231913637. The cubic root of 6680287080 is about 1883.3529158344.

The spelling of 6680287080 in words is "six billion, six hundred eighty million, two hundred eighty-seven thousand, eighty".