82636611802166 has 16 divisors (see below), whose sum is σ = 126988572953088. Its totient is φ = 40307252001600.

The previous prime is 82636611802141. The next prime is 82636611802187. The reversal of 82636611802166 is 66120811663628.

It is a super-2 number, since 2×82636611802166² (a number of 29 digits) contains 22 as substring.

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, 40118390 + ... + 42127881.

It is an arithmetic number, because the mean of its divisors is an integer number (7936785809568).

Almost surely, 2^{82636611802166} is an apocalyptic number.

82636611802166 is a deficient number, since it is larger than the sum of its proper divisors (44351961150922).

82636611802166 is a wasteful number, since it uses less digits than its factorization.

82636611802166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82258567.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 82636611802166 in words is "eighty-two trillion, six hundred thirty-six billion, six hundred eleven million, eight hundred two thousand, one hundred sixty-six".