1316176421888 has 88 divisors (see below), whose sum is σ = 2796202409400. Its totient is φ = 617072427008.

The previous prime is 1316176421887. The next prime is 1316176421891. The reversal of 1316176421888 is 8881246716131.

It can be written as a sum of positive squares in 4 ways, for example, as 476475433984 + 839700987904 = 690272^2 + 916352^2 .

It is not an unprimeable number, because it can be changed into a prime (1316176421887) 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, 4542218 + ... + 4823286.

Almost surely, 2^{1316176421888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316176421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398101204700).

1316176421888 is an abundant number, since it is smaller than the sum of its proper divisors (1480025987512).

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

1316176421888 is a wasteful number, since it uses less digits than its factorization.

1316176421888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281375 (or 281357 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 56.

The spelling of 1316176421888 in words is "one trillion, three hundred sixteen billion, one hundred seventy-six million, four hundred twenty-one thousand, eight hundred eighty-eight".