1660050 has 144 divisors (see below), whose sum is σ = 5571072. Its totient is φ = 345600.

The previous prime is 1660039. The next prime is 1660063. The reversal of 1660050 is 500661.

1660050 is a `hidden beast` number, since 1 + 660 + 0 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53535 + ... + 53565.

It is an arithmetic number, because the mean of its divisors is an integer number (38688).

2^1660050 is an apocalyptic number.

1660050 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 1660050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785536).

1660050 is an abundant number, since it is smaller than the sum of its proper divisors (3911022).

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

1660050 is a wasteful number, since it uses less digits than its factorization.

1660050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1660050 is about 1288.4292762895. The cubic root of 1660050 is about 118.4060035457.

The spelling of 1660050 in words is "one million, six hundred sixty thousand, fifty".