1313441403616 has 96 divisors (see below), whose sum is σ = 2685770680320. Its totient is φ = 631615526400.

The previous prime is 1313441403551. The next prime is 1313441403623. The reversal of 1313441403616 is 6163041443131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107047530 + ... + 107059798.

It is an arithmetic number, because the mean of its divisors is an integer number (27976777920).

Almost surely, 2^{1313441403616} is an apocalyptic number.

1313441403616 is a gapful number since it is divisible by the number (16) 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 1313441403616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342885340160).

1313441403616 is an abundant number, since it is smaller than the sum of its proper divisors (1372329276704).

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

1313441403616 is a wasteful number, since it uses less digits than its factorization.

1313441403616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12968 (or 12960 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 1313441403616 its reverse (6163041443131), we get a palindrome (7476482846747).

The spelling of 1313441403616 in words is "one trillion, three hundred thirteen billion, four hundred forty-one million, four hundred three thousand, six hundred sixteen".