1660126 has 16 divisors (see below), whose sum is σ = 2724624. Its totient is φ = 753984.

The previous prime is 1660121. The next prime is 1660133. The reversal of 1660126 is 6210661.

It is a junction number, because it is equal to n+sod(n) for n = 1660097 and 1660106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660121) 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, 1266 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (170289).

2^1660126 is an apocalyptic number.

1660126 is a deficient number, since it is larger than the sum of its proper divisors (1064498).

1660126 is a wasteful number, since it uses less digits than its factorization.

1660126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1660126 is about 1288.4587692278. The cubic root of 1660126 is about 118.4078104630.

Adding to 1660126 its reverse (6210661), we get a palindrome (7870787).

The spelling of 1660126 in words is "one million, six hundred sixty thousand, one hundred twenty-six".