82668017825264 has 40 divisors (see below), whose sum is σ = 166672018677120. Its totient is φ = 39688468924608.

The previous prime is 82668017825131. The next prime is 82668017825339. The reversal of 82668017825264 is 46252871086628.

It is a self number, because there is not a number n which added to its sum of digits gives 82668017825264.

It is a congruent number.

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, 1018239092 + ... + 1018320275.

It is an arithmetic number, because the mean of its divisors is an integer number (4166800466928).

Almost surely, 2^{82668017825264} is an apocalyptic number.

It is an amenable number.

82668017825264 is an abundant number, since it is smaller than the sum of its proper divisors (84004000851856).

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

82668017825264 is a wasteful number, since it uses less digits than its factorization.

82668017825264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036559477 (or 2036559471 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 65.

The spelling of 82668017825264 in words is "eighty-two trillion, six hundred sixty-eight billion, seventeen million, eight hundred twenty-five thousand, two hundred sixty-four".