6667682402728 has 16 divisors (see below), whose sum is σ = 12535421680980. Its totient is φ = 3324903287808.

The previous prime is 6667682402707. The next prime is 6667682402761. The reversal of 6667682402728 is 8272042867666.

It can be written as a sum of positive squares in 2 ways, for example, as 6159738261924 + 507944140804 = 2481882^2 + 712702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6667682402728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117236025 + ... + 1117241992.

Almost surely, 2^{6667682402728} is an apocalyptic number.

It is an amenable number.

6667682402728 is a deficient number, since it is larger than the sum of its proper divisors (5867739278252).

6667682402728 is a wasteful number, since it uses less digits than its factorization.

6667682402728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234478396 (or 2234478392 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 6667682402728 in words is "six trillion, six hundred sixty-seven billion, six hundred eighty-two million, four hundred two thousand, seven hundred twenty-eight".