28664246682 has 16 divisors (see below), whose sum is σ = 63698326080. Its totient is φ = 9554748876.

The previous prime is 28664246561. The next prime is 28664246687.

28664246682 is a `hidden beast` number, since 2 + 8 + 66 + 42 + 466 + 82 = 666.

28664246682 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 530819383 = 28664246682 / (2 + 8 + 6 + 6 + 4 + 2 + 4 + 6 + 6 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (28664246687) 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 7 ways as a sum of consecutive naturals, for example, 265409638 + ... + 265409745.

It is an arithmetic number, because the mean of its divisors is an integer number (3981145380).

Almost surely, 2^28664246682 is an apocalyptic number.

28664246682 is an abundant number, since it is smaller than the sum of its proper divisors (35034079398).

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

28664246682 is a wasteful number, since it uses less digits than its factorization.

28664246682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530819394 (or 530819388 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 54.

The spelling of 28664246682 in words is "twenty-eight billion, six hundred sixty-four million, two hundred forty-six thousand, six hundred eighty-two".