660461130 has 96 divisors (see below), whose sum is σ = 1966348800. Its totient is φ = 150667776.

The previous prime is 660461111. The next prime is 660461159. The reversal of 660461130 is 31164066.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 660461094 and 660461103.

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, 635151 + ... + 636189.

It is an arithmetic number, because the mean of its divisors is an integer number (20482800).

Almost surely, 2^660461130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660461130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983174400).

660461130 is an abundant number, since it is smaller than the sum of its proper divisors (1305887670).

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

660461130 is a wasteful number, since it uses less digits than its factorization.

660461130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 660461130 is about 25699.4383207104. The cubic root of 660461130 is about 870.8614930621.

It can be divided in two parts, 66046 and 1130, that added together give a palindrome (67176).

The spelling of 660461130 in words is "six hundred sixty million, four hundred sixty-one thousand, one hundred thirty".