1316346688820 has 24 divisors (see below), whose sum is σ = 2791166187264. Its totient is φ = 521426648736.

The previous prime is 1316346688801. The next prime is 1316346688847. The reversal of 1316346688820 is 288866436131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319499564 + ... + 319503683.

It is an arithmetic number, because the mean of its divisors is an integer number (116298591136).

Almost surely, 2^{1316346688820} is an apocalyptic number.

1316346688820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316346688820 is an abundant number, since it is smaller than the sum of its proper divisors (1474819498444).

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

1316346688820 is a wasteful number, since it uses less digits than its factorization.

1316346688820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639003359 (or 639003357 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 1316346688820 in words is "one trillion, three hundred sixteen billion, three hundred forty-six million, six hundred eighty-eight thousand, eight hundred twenty".