1316843461444 has 27 divisors (see below), whose sum is σ = 2680749751743. Its totient is φ = 564354598248.

The previous prime is 1316843461441. The next prime is 1316843461519. The reversal of 1316843461444 is 4441643486131.

The square root of 1316843461444 is 1147538.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (1316843461441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16024549 + ... + 16106515.

Almost surely, 2^{1316843461444} is an apocalyptic number.

1316843461444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1316843461444 is the 1147538-th square number.

It is an amenable number.

1316843461444 is an abundant number, since it is smaller than the sum of its proper divisors (1363906290299).

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

1316843461444 is an frugal number, since it uses more digits than its factorization.

1316843461444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163952 (or 81976 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 49.

Multiplying 1316843461444 by its sum of digits (49), we get a square (64525329610756 = 8032766²).

1316843461444 divided by its sum of digits (49) gives a square (26874356356 = 163934²).

The spelling of 1316843461444 in words is "one trillion, three hundred sixteen billion, eight hundred forty-three million, four hundred sixty-one thousand, four hundred forty-four".