1316210060646 has 96 divisors (see below), whose sum is σ = 3147161078880. Its totient is φ = 394972070400.

The previous prime is 1316210060629. The next prime is 1316210060707. The reversal of 1316210060646 is 6460600126131.

It is a happy number.

1316210060646 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 2 + 1 + 0 + 0 + 6 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1316210060646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29344825 + ... + 29389643.

It is an arithmetic number, because the mean of its divisors is an integer number (32782927905).

Almost surely, 2^{1316210060646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316210060646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573580539440).

1316210060646 is an abundant number, since it is smaller than the sum of its proper divisors (1830951018234).

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

1316210060646 is a wasteful number, since it uses less digits than its factorization.

1316210060646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47942 (or 47939 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 1316210060646 its reverse (6460600126131), we get a palindrome (7776810186777).

The spelling of 1316210060646 in words is "one trillion, three hundred sixteen billion, two hundred ten million, sixty thousand, six hundred forty-six".