82665163171562 has 4 divisors (see below), whose sum is σ = 123997744757346. Its totient is φ = 41332581585780.

The previous prime is 82665163171541. The next prime is 82665163171571. The reversal of 82665163171562 is 26517136156628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62490432097921 + 20174731073641 = 7905089^2 + 4491629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20666290792889 + ... + 20666290792892.

Almost surely, 2^{82665163171562} is an apocalyptic number.

82665163171562 is a deficient number, since it is larger than the sum of its proper divisors (41332581585784).

82665163171562 is a wasteful number, since it uses less digits than its factorization.

82665163171562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41332581585783.

The product of its digits is 21772800, while the sum is 59.

The spelling of 82665163171562 in words is "eighty-two trillion, six hundred sixty-five billion, one hundred sixty-three million, one hundred seventy-one thousand, five hundred sixty-two".