1880166 has 16 divisors (see below), whose sum is σ = 3981744. Its totient is φ = 589824.

The previous prime is 1880159. The next prime is 1880167. The reversal of 1880166 is 6610881.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9115 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (248859).

2^1880166 is an apocalyptic number.

1880166 is an abundant number, since it is smaller than the sum of its proper divisors (2101578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1880166 is a wasteful number, since it uses less digits than its factorization.

1880166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1880166 is about 1371.1914527155. The cubic root of 1880166 is about 123.4237483265.

The spelling of 1880166 in words is "one million, eight hundred eighty thousand, one hundred sixty-six".