166008785 has 8 divisors (see below), whose sum is σ = 200212800. Its totient is φ = 132138864.

The previous prime is 166008769. The next prime is 166008793. The reversal of 166008785 is 587800661.

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

It is a cyclic number.

It is not a de Polignac number, because 166008785 - 2⁴ = 166008769 is a prime.

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, 82427 + ... + 84416.

It is an arithmetic number, because the mean of its divisors is an integer number (25026600).

Almost surely, 2^166008785 is an apocalyptic number.

It is an amenable number.

166008785 is a deficient number, since it is larger than the sum of its proper divisors (34204015).

166008785 is a wasteful number, since it uses less digits than its factorization.

166008785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167047.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 166008785 is about 12884.4396463331. The cubic root of 166008785 is about 549.5961608527.

The spelling of 166008785 in words is "one hundred sixty-six million, eight thousand, seven hundred eighty-five".