82682066 has 8 divisors (see below), whose sum is σ = 124078284. Its totient is φ = 41322640.

The previous prime is 82682057. The next prime is 82682081. The reversal of 82682066 is 66028628.

It can be written as a sum of positive squares in 2 ways, for example, as 78765625 + 3916441 = 8875^2 + 1979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645 + ... + 13128.

Almost surely, 2^82682066 is an apocalyptic number.

82682066 is a deficient number, since it is larger than the sum of its proper divisors (41396218).

82682066 is a wasteful number, since it uses less digits than its factorization.

82682066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18396.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 82682066 is about 9092.9679423167. The cubic root of 82682066 is about 435.6493863640.

The spelling of 82682066 in words is "eighty-two million, six hundred eighty-two thousand, sixty-six".