1316616214536 has 144 divisors (see below), whose sum is σ = 4166128968300. Its totient is φ = 374533141248.

The previous prime is 1316616214531. The next prime is 1316616214549. The reversal of 1316616214536 is 6354126166131.

1316616214536 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 616 + 21 + 4 + 5 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1033666689636 + 282949524900 = 1016694^2 + 531930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1316616214491 and 1316616214500.

It is not an unprimeable number, because it can be changed into a prime (1316616214531) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6915 + ... + 1622738.

Almost surely, 2^{1316616214536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316616214536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083064484150).

1316616214536 is an abundant number, since it is smaller than the sum of its proper divisors (2849512753764).

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

1316616214536 is a wasteful number, since it uses less digits than its factorization.

1316616214536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629908 (or 1629894 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 1316616214536 in words is "one trillion, three hundred sixteen billion, six hundred sixteen million, two hundred fourteen thousand, five hundred thirty-six".