1316243236664 has 32 divisors (see below), whose sum is σ = 2555529966000. Its totient is φ = 634812525312.

The previous prime is 1316243236643. The next prime is 1316243236669. The reversal of 1316243236664 is 4666323426131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316243236669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2506454 + ... + 2985765.

Almost surely, 2^{1316243236664} is an apocalyptic number.

It is an amenable number.

1316243236664 is a deficient number, since it is larger than the sum of its proper divisors (1239286729336).

1316243236664 is a wasteful number, since it uses less digits than its factorization.

1316243236664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493287 (or 5493283 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 47.

The spelling of 1316243236664 in words is "one trillion, three hundred sixteen billion, two hundred forty-three million, two hundred thirty-six thousand, six hundred sixty-four".