166831106 has 16 divisors (see below), whose sum is σ = 275232384. Its totient is φ = 75360144.

The previous prime is 166831073. The next prime is 166831117. The reversal of 166831106 is 601138661.

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 7 ways as a sum of consecutive naturals, for example, 67040 + ... + 69483.

It is an arithmetic number, because the mean of its divisors is an integer number (17202024).

Almost surely, 2^166831106 is an apocalyptic number.

166831106 is a deficient number, since it is larger than the sum of its proper divisors (108401278).

166831106 is a wasteful number, since it uses less digits than its factorization.

166831106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136585.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 166831106 is about 12916.3116252280. The cubic root of 166831106 is about 550.5021375635.

Adding to 166831106 its reverse (601138661), we get a palindrome (767969767).

The spelling of 166831106 in words is "one hundred sixty-six million, eight hundred thirty-one thousand, one hundred six".