166414 has 4 divisors (see below), whose sum is σ = 249624. Its totient is φ = 83206.

The previous prime is 166409. The next prime is 166417. The reversal of 166414 is 414661.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166417) by changing a digit.

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, 41602 + ... + 41605.

It is an arithmetic number, because the mean of its divisors is an integer number (62406).

2¹⁶⁶⁴¹⁴ is an apocalyptic number.

166414 is a deficient number, since it is larger than the sum of its proper divisors (83210).

166414 is an equidigital number, since it uses as much as digits as its factorization.

166414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83209.

The product of its digits is 576, while the sum is 22.

The square root of 166414 is about 407.9387208883. The cubic root of 166414 is about 55.0042971849.

It can be divided in two parts, 16641 and 4, that multiplied together give a square (66564 = 258²).

The spelling of 166414 in words is "one hundred sixty-six thousand, four hundred fourteen".