82668112177256 has 32 divisors (see below), whose sum is σ = 159271134523680. Its totient is φ = 40196920680000.

The previous prime is 82668112177243. The next prime is 82668112177351. The reversal of 82668112177256 is 65277121186628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68843870 + ... + 70034381.

It is an arithmetic number, because the mean of its divisors is an integer number (4977222953865).

Almost surely, 2^{82668112177256} is an apocalyptic number.

It is an amenable number.

82668112177256 is a deficient number, since it is larger than the sum of its proper divisors (76603022346424).

82668112177256 is a wasteful number, since it uses less digits than its factorization.

82668112177256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138880305 (or 138880301 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 62.

The spelling of 82668112177256 in words is "eighty-two trillion, six hundred sixty-eight billion, one hundred twelve million, one hundred seventy-seven thousand, two hundred fifty-six".