1316263144650 has 24 divisors (see below), whose sum is σ = 3264332599104. Its totient is φ = 351003505200.

The previous prime is 1316263144649. The next prime is 1316263144657. The reversal of 1316263144650 is 564413626131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1316263144657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4387543666 + ... + 4387543965.

It is an arithmetic number, because the mean of its divisors is an integer number (136013858296).

Almost surely, 2^{1316263144650} is an apocalyptic number.

1316263144650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316263144650 is an abundant number, since it is smaller than the sum of its proper divisors (1948069454454).

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

1316263144650 is a wasteful number, since it uses less digits than its factorization.

1316263144650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775087646 (or 8775087641 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1316263144650 in words is "one trillion, three hundred sixteen billion, two hundred sixty-three million, one hundred forty-four thousand, six hundred fifty".