82663105656584 has 16 divisors (see below), whose sum is σ = 155596409970300. Its totient is φ = 41170729664512.

The previous prime is 82663105656533. The next prime is 82663105656613. The reversal of 82663105656584 is 48565650136628.

It can be written as a sum of positive squares in 2 ways, for example, as 77771621467684 + 4891484188900 = 8818822^2 + 2211670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82663105656584.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20102893289 + ... + 20102897400.

Almost surely, 2^{82663105656584} is an apocalyptic number.

It is an amenable number.

82663105656584 is a deficient number, since it is larger than the sum of its proper divisors (72933304313716).

82663105656584 is a wasteful number, since it uses less digits than its factorization.

82663105656584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40205790952 (or 40205790948 counting only the distinct ones).

The product of its (nonzero) digits is 248832000, while the sum is 65.

The spelling of 82663105656584 in words is "eighty-two trillion, six hundred sixty-three billion, one hundred five million, six hundred fifty-six thousand, five hundred eighty-four".