166838126 has 32 divisors (see below), whose sum is σ = 324226560. Its totient is φ = 62526816.

The previous prime is 166838101. The next prime is 166838149. The reversal of 166838126 is 621838661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20666 + ... + 27581.

It is an arithmetic number, because the mean of its divisors is an integer number (10132080).

Almost surely, 2^166838126 is an apocalyptic number.

166838126 is a deficient number, since it is larger than the sum of its proper divisors (157388434).

166838126 is a wasteful number, since it uses less digits than its factorization.

166838126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48288.

The product of its digits is 82944, while the sum is 41.

The square root of 166838126 is about 12916.5833717744. The cubic root of 166838126 is about 550.5098588870.

The spelling of 166838126 in words is "one hundred sixty-six million, eight hundred thirty-eight thousand, one hundred twenty-six".