1556286982144 has 96 divisors (see below), whose sum is σ = 3152312523360. Its totient is φ = 768034471936.

The previous prime is 1556286982141. The next prime is 1556286982213. The reversal of 1556286982144 is 4412896826551.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1556286982141) 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, 206866767 + ... + 206874289.

It is an arithmetic number, because the mean of its divisors is an integer number (32836588785).

Almost surely, 2^{1556286982144} 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 1556286982144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576156261680).

1556286982144 is an abundant number, since it is smaller than the sum of its proper divisors (1596025541216).

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

1556286982144 is an equidigital number, since it uses as much as digits as its factorization.

1556286982144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845 (or 8825 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 61.

The spelling of 1556286982144 in words is "one trillion, five hundred fifty-six billion, two hundred eighty-six million, nine hundred eighty-two thousand, one hundred forty-four".