82166011982453 has 48 divisors (see below), whose sum is σ = 98979875389440. Its totient is φ = 67938328735200.

The previous prime is 82166011982437. The next prime is 82166011982459. The reversal of 82166011982453 is 35428911066128.

It is not a de Polignac number, because 82166011982453 - 2⁴ = 82166011982437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82166011982459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682841228 + ... + 682961546.

It is an arithmetic number, because the mean of its divisors is an integer number (2062080737280).

Almost surely, 2^{82166011982453} is an apocalyptic number.

It is an amenable number.

82166011982453 is a deficient number, since it is larger than the sum of its proper divisors (16813863406987).

82166011982453 is a wasteful number, since it uses less digits than its factorization.

82166011982453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121798 (or 121791 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 82166011982453 in words is "eighty-two trillion, one hundred sixty-six billion, eleven million, nine hundred eighty-two thousand, four hundred fifty-three".