6680243478 has 16 divisors (see below), whose sum is σ = 14063670720. Its totient is φ = 2109550536.

The previous prime is 6680243461. The next prime is 6680243489. The reversal of 6680243478 is 8743420866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29299200 + ... + 29299427.

It is an arithmetic number, because the mean of its divisors is an integer number (878979420).

Almost surely, 2^6680243478 is an apocalyptic number.

6680243478 is an abundant number, since it is smaller than the sum of its proper divisors (7383427242).

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

6680243478 is a wasteful number, since it uses less digits than its factorization.

6680243478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58598651.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The square root of 6680243478 is about 81732.7564566374. The cubic root of 6680243478 is about 1883.3488182993.

The spelling of 6680243478 in words is "six billion, six hundred eighty million, two hundred forty-three thousand, four hundred seventy-eight".