1606180 has 12 divisors (see below), whose sum is σ = 3373020. Its totient is φ = 642464.

The previous prime is 1606153. The next prime is 1606201. The reversal of 1606180 is 816061.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 602176 = 1002^2 + 776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40135 + ... + 40174.

It is an arithmetic number, because the mean of its divisors is an integer number (281085).

2^1606180 is an apocalyptic number.

1606180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606180 is an abundant number, since it is smaller than the sum of its proper divisors (1766840).

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

1606180 is a wasteful number, since it uses less digits than its factorization.

1606180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80318 (or 80316 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1606180 is about 1267.3515692183. The cubic root of 1606180 is about 117.1111029763. Note that the first 4 decimals are identical.

The spelling of 1606180 in words is "one million, six hundred six thousand, one hundred eighty".