166205006 has 16 divisors (see below), whose sum is σ = 276583680. Its totient is φ = 74266680.

The previous prime is 166204993. The next prime is 166205009. The reversal of 166205006 is 600502661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166205009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62726 + ... + 65321.

It is an arithmetic number, because the mean of its divisors is an integer number (17286480).

Almost surely, 2^166205006 is an apocalyptic number.

166205006 is a deficient number, since it is larger than the sum of its proper divisors (110378674).

166205006 is a wasteful number, since it uses less digits than its factorization.

166205006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128119.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 166205006 is about 12892.0520476765. The cubic root of 166205006 is about 549.8126149530.

Adding to 166205006 its reverse (600502661), we get a palindrome (766707667).

The spelling of 166205006 in words is "one hundred sixty-six million, two hundred five thousand, six".