1316836817980 has 48 divisors (see below), whose sum is σ = 2768759413056. Its totient is φ = 526087042560.

The previous prime is 1316836817971. The next prime is 1316836817983. The reversal of 1316836817980 is 897186386131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316836817983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82002112 + ... + 82018168.

It is an arithmetic number, because the mean of its divisors is an integer number (57682487772).

Almost surely, 2^{1316836817980} is an apocalyptic number.

1316836817980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316836817980 is an abundant number, since it is smaller than the sum of its proper divisors (1451922595076).

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

1316836817980 is a wasteful number, since it uses less digits than its factorization.

1316836817980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20854 (or 20852 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 1316836817980 in words is "one trillion, three hundred sixteen billion, eight hundred thirty-six million, eight hundred seventeen thousand, nine hundred eighty".