166516106 has 8 divisors (see below), whose sum is σ = 249834720. Its totient is φ = 83237868.

The previous prime is 166516093. The next prime is 166516123. The reversal of 166516106 is 601615661.

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

It is a super-2 number, since 2×166516106² = 55455227114806472, which contains 22 as substring.

It is a Curzon 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, 4355 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (31229340).

Almost surely, 2^166516106 is an apocalyptic number.

166516106 is a deficient number, since it is larger than the sum of its proper divisors (83318614).

166516106 is a wasteful number, since it uses less digits than its factorization.

166516106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20188.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 166516106 is about 12904.1119802953. Note that the first 3 decimals coincide. The cubic root of 166516106 is about 550.1554447682.

It can be divided in two parts, 1665 and 16106, that added together give a palindrome (17771).

The spelling of 166516106 in words is "one hundred sixty-six million, five hundred sixteen thousand, one hundred six".