1316176421850 has 36 divisors (see below), whose sum is σ = 3536127321246. Its totient is φ = 350980379040.

The previous prime is 1316176421839. The next prime is 1316176421851. The reversal of 1316176421850 is 581246716131.

1316176421850 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 176 + 421 + 8 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 575439064929 + 740737356921 = 758577^2 + 860661^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1316176421796 and 1316176421805.

It is not an unprimeable number, because it can be changed into a prime (1316176421851) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1462417797 + ... + 1462418696.

Almost surely, 2^{1316176421850} is an apocalyptic number.

1316176421850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316176421850 is an abundant number, since it is smaller than the sum of its proper divisors (2219950899396).

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

1316176421850 is a wasteful number, since it uses less digits than its factorization.

1316176421850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924836511 (or 2924836503 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 1316176421850 in words is "one trillion, three hundred sixteen billion, one hundred seventy-six million, four hundred twenty-one thousand, eight hundred fifty".