66082166 has 8 divisors (see below), whose sum is σ = 99361080. Its totient is φ = 32961808.

The previous prime is 66082139. The next prime is 66082187. The reversal of 66082166 is 66128066.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38591 + ... + 40266.

It is an arithmetic number, because the mean of its divisors is an integer number (12420135).

Almost surely, 2^66082166 is an apocalyptic number.

66082166 is a deficient number, since it is larger than the sum of its proper divisors (33278914).

66082166 is a wasteful number, since it uses less digits than its factorization.

66082166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79278.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 66082166 is about 8129.0937994342. The cubic root of 66082166 is about 404.2916358136.

The spelling of 66082166 in words is "sixty-six million, eighty-two thousand, one hundred sixty-six".