82665456628 has 12 divisors (see below), whose sum is σ = 144700716160. Its totient is φ = 41322394872.

The previous prime is 82665456619. The next prime is 82665456677.

82665456628 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565348 + ... + 2597371.

Almost surely, 2^82665456628 is an apocalyptic number.

It is an amenable number.

82665456628 is a deficient number, since it is larger than the sum of its proper divisors (62035259532).

82665456628 is a wasteful number, since it uses less digits than its factorization.

82665456628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166726 (or 5166724 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 58.

The spelling of 82665456628 in words is "eighty-two billion, six hundred sixty-five million, four hundred fifty-six thousand, six hundred twenty-eight".