6680670678 has 48 divisors (see below), whose sum is σ = 15798100032. Its totient is φ = 2023494000.

The previous prime is 6680670677. The next prime is 6680670697. The reversal of 6680670678 is 8760760866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680670671) 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, 494473 + ... + 507803.

It is an arithmetic number, because the mean of its divisors is an integer number (329127084).

Almost surely, 2^6680670678 is an apocalyptic number.

6680670678 is an abundant number, since it is smaller than the sum of its proper divisors (9117429354).

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

6680670678 is a wasteful number, since it uses less digits than its factorization.

6680670678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15881 (or 15878 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 6680670678 is about 81735.3698101379. The cubic root of 6680670678 is about 1883.3889640149.

The spelling of 6680670678 in words is "six billion, six hundred eighty million, six hundred seventy thousand, six hundred seventy-eight".