2043816827136 has 144 divisors (see below), whose sum is σ = 6218932137600. Its totient is φ = 583729496064.

The previous prime is 2043816827123. The next prime is 2043816827147. The reversal of 2043816827136 is 6317286183402.

It is a happy number.

It is a super-2 number, since 2×2043816827136² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14601450 + ... + 14740758.

Almost surely, 2^{2043816827136} 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 2043816827136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109466068800).

2043816827136 is an abundant number, since it is smaller than the sum of its proper divisors (4175115310464).

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

2043816827136 is a wasteful number, since it uses less digits than its factorization.

2043816827136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142064 (or 142050 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 2043816827136 in words is "two trillion, forty-three billion, eight hundred sixteen million, eight hundred twenty-seven thousand, one hundred thirty-six".