82660611982 has 8 divisors (see below), whose sum is σ = 133528680936. Its totient is φ = 38151051672.

The previous prime is 82660611923. The next prime is 82660611983. The reversal of 82660611982 is 28911606628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82660611983) by changing a digit.

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, 1589627128 + ... + 1589627179.

It is an arithmetic number, because the mean of its divisors is an integer number (16691085117).

Almost surely, 2^82660611982 is an apocalyptic number.

82660611982 is a deficient number, since it is larger than the sum of its proper divisors (50868068954).

82660611982 is a wasteful number, since it uses less digits than its factorization.

82660611982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179254322.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 82660611982 in words is "eighty-two billion, six hundred sixty million, six hundred eleven thousand, nine hundred eighty-two".