1316176421840 has 80 divisors (see below), whose sum is σ = 3498199850880. Its totient is φ = 451140349440.

The previous prime is 1316176421839. The next prime is 1316176421851. The reversal of 1316176421840 is 481246716131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1316176421791 and 1316176421800.

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 15 ways as a sum of consecutive naturals, for example, 1805270 + ... + 2427210.

It is an arithmetic number, because the mean of its divisors is an integer number (43727498136).

Almost surely, 2^{1316176421840} is an apocalyptic number.

1316176421840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316176421840 is an abundant number, since it is smaller than the sum of its proper divisors (2182023429040).

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

1316176421840 is a wasteful number, since it uses less digits than its factorization.

1316176421840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625740 (or 625734 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 1316176421840 in words is "one trillion, three hundred sixteen billion, one hundred seventy-six million, four hundred twenty-one thousand, eight hundred forty".