66606082 has 8 divisors (see below), whose sum is σ = 99953676. Its totient is φ = 33288192.

The previous prime is 66606061. The next prime is 66606121. The reversal of 66606082 is 28060666.

It can be written as a sum of positive squares in 2 ways, for example, as 66438801 + 167281 = 8151^2 + 409^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 11554.

Almost surely, 2^66606082 is an apocalyptic number.

66606082 is a deficient number, since it is larger than the sum of its proper divisors (33347594).

66606082 is a wasteful number, since it uses less digits than its factorization.

66606082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14852.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 66606082 is about 8161.2549280120. The cubic root of 66606082 is about 405.3572664180.

The spelling of 66606082 in words is "sixty-six million, six hundred six thousand, eighty-two".