1301316660 has 144 divisors (see below), whose sum is σ = 4585456512. Its totient is φ = 292550400.

The previous prime is 1301316659. The next prime is 1301316661. The reversal of 1301316660 is 666131031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1301316659) and next prime (1301316661).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301316661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68395 + ... + 85325.

It is an arithmetic number, because the mean of its divisors is an integer number (31843448).

Almost surely, 2^1301316660 is an apocalyptic number.

1301316660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301316660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2292728256).

1301316660 is an abundant number, since it is smaller than the sum of its proper divisors (3284139852).

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

1301316660 is a wasteful number, since it uses less digits than its factorization.

1301316660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17014 (or 17009 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1301316660 is about 36073.7669227931. The cubic root of 1301316660 is about 1091.7612185713.

Adding to 1301316660 its reverse (666131031), we get a palindrome (1967447691).

The spelling of 1301316660 in words is "one billion, three hundred one million, three hundred sixteen thousand, six hundred sixty".