1660135060 has 24 divisors (see below), whose sum is σ = 3490691400. Its totient is φ = 663214464.

The previous prime is 1660135049. The next prime is 1660135117. The reversal of 1660135060 is 605310661.

It can be written as a sum of positive squares in 4 ways, for example, as 432473616 + 1227661444 = 20796^2 + 35038^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36135 + ... + 68014.

It is an arithmetic number, because the mean of its divisors is an integer number (145445475).

Almost surely, 2^1660135060 is an apocalyptic number.

1660135060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660135060 is an abundant number, since it is smaller than the sum of its proper divisors (1830556340).

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

1660135060 is a wasteful number, since it uses less digits than its factorization.

1660135060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104955 (or 104953 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1660135060 is about 40744.7549998770. The cubic root of 1660135060 is about 1184.0802586284.

The spelling of 1660135060 in words is "one billion, six hundred sixty million, one hundred thirty-five thousand, sixty".