166850 has 24 divisors (see below), whose sum is σ = 321408. Its totient is φ = 64400.

The previous prime is 166849. The next prime is 166853. The reversal of 166850 is 58661.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2315 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2¹⁶⁶⁸⁵⁰ is an apocalyptic number.

166850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166850 is a deficient number, since it is larger than the sum of its proper divisors (154558).

166850 is a wasteful number, since it uses less digits than its factorization.

166850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 166850 is about 408.4727653100. The cubic root of 166850 is about 55.0522918650.

The spelling of 166850 in words is "one hundred sixty-six thousand, eight hundred fifty".