1660500126 has 96 divisors (see below), whose sum is σ = 3941185248. Its totient is φ = 503193600.

The previous prime is 1660500119. The next prime is 1660500137. The reversal of 1660500126 is 6210050661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1660500126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1275676 + ... + 1276976.

It is an arithmetic number, because the mean of its divisors is an integer number (41054013).

Almost surely, 2^1660500126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660500126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970592624).

1660500126 is an abundant number, since it is smaller than the sum of its proper divisors (2280685122).

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

1660500126 is a wasteful number, since it uses less digits than its factorization.

1660500126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1660500126 is about 40749.2346676597. The cubic root of 1660500126 is about 1184.1670458970.

Adding to 1660500126 its reverse (6210050661), we get a palindrome (7870550787).

The spelling of 1660500126 in words is "one billion, six hundred sixty million, five hundred thousand, one hundred twenty-six".