166196 has 6 divisors (see below), whose sum is σ = 290850. Its totient is φ = 83096.

The previous prime is 166189. The next prime is 166207. The reversal of 166196 is 691661.

It can be written as a sum of positive squares in only one way, i.e., 98596 + 67600 = 314^2 + 260^2 .

It is a super-2 number, since 2×166196² = 55242220832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

166196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20771 + ... + 20778.

It is an arithmetic number, because the mean of its divisors is an integer number (48475).

2¹⁶⁶¹⁹⁶ is an apocalyptic number.

It is an amenable number.

166196 is a deficient number, since it is larger than the sum of its proper divisors (124654).

166196 is a wasteful number, since it uses less digits than its factorization.

166196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41553 (or 41551 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 166196 is about 407.6714363308. The cubic root of 166196 is about 54.9802684041.

The spelling of 166196 in words is "one hundred sixty-six thousand, one hundred ninety-six".