1666050 has 48 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 427840.

The previous prime is 1666043. The next prime is 1666061. The reversal of 1666050 is 506661.

It is a self number, because there is not a number n which added to its sum of digits gives 1666050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4159 + ... + 4541.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2^1666050 is an apocalyptic number.

1666050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1666050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142720).

1666050 is an abundant number, since it is smaller than the sum of its proper divisors (2619390).

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

1666050 is a wasteful number, since it uses less digits than its factorization.

1666050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1666050 is about 1290.7555926666. The cubic root of 1666050 is about 118.5484855622.

It can be divided in two parts, 166 and 6050, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 1666050 in words is "one million, six hundred sixty-six thousand, fifty".